CN106320695A - Plastic-covered plywood building formwork and preparation method thereof - Google Patents

Plastic-covered plywood building formwork and preparation method thereof Download PDF

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Publication number
CN106320695A
CN106320695A CN201610892156.4A CN201610892156A CN106320695A CN 106320695 A CN106320695 A CN 106320695A CN 201610892156 A CN201610892156 A CN 201610892156A CN 106320695 A CN106320695 A CN 106320695A
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China
Prior art keywords
coated
layer
adhesive
film layer
molecular film
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CN201610892156.4A
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Chinese (zh)
Inventor
贺伟
牛胜利
吴超
马宁
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China Shanxi Sijian Group Co Ltd
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China Shanxi Sijian Group Co Ltd
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Priority to CN201610892156.4A priority Critical patent/CN106320695A/en
Publication of CN106320695A publication Critical patent/CN106320695A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B21/08—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/10—Next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/304—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl halide (co)polymers, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/02—Organic and inorganic ingredients
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
    • C08L25/02—Homopolymers or copolymers of hydrocarbons
    • C08L25/04—Homopolymers or copolymers of styrene
    • C08L25/06—Polystyrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
    • C08L27/06—Homopolymers or copolymers of vinyl chloride
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/04—Condensation polymers of aldehydes or ketones with phenols only
    • C09J161/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
    • C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C09J161/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C09J161/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/712—Weather resistant
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Veneer Processing And Manufacture Of Plywood (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)

Abstract

The invention relates to a plastic-covered plywood building formwork. The building formwork comprises an upper high-polymer laminating layer, an upper veneer layer, a plywood core layer, a lower veneer layer and a lower high-polymer laminating layer sequentially from top to bottom, and the thickness ratio of the upper high-polymer laminating layer, the upper veneer layer, the plywood core layer, the lower veneer layer and the lower high-polymer laminating layer is (0.2-0.6):(1.8-2.2):(9.2-10.8):(1.8-2.2):(0.2-0.6). The plywood core layer in the plywood building formwork adopts a vertical structure and is high in strength and good in toughness, and use number of building formwork supports can be reduced; the building formwork is easy to demold, not stick to concrete and is weather-resistant, anti-corrosion and high in durability, so that construction is convenient, and the project quality is guaranteed; the turnover time is 3-5 times that of traditional building formworks; the thermal expansion and cold contraction ratio is close to that of wood, the thermal conductivity coefficient is small, winter construction insulation is facilitated; the building formwork is good in water resistance and water-impermeable, and the condition that the building formwork is affected with damp and deforms with water in the concrete curing process is avoided.

Description

A kind of plastic overlay plywood building template and preparation method thereof
Technical field
The invention belongs to building template technical field, be specifically related to a kind of plastic overlay plywood building template and preparation thereof Method.
Background technology
Building template is requisite instrument in concreting engineering, in present pouring concrete engineering, and form fixer Journey typically constitutes from the 20-30% of concrete structure engineering cost, accounts for the 30-40% of the engineering amount of labour used, accounts for about the 50% of the duration, mould Plate technique directly affects the quality of engineering, cost and benefit.It is the importance promoting China's Building technology progress.
At present, concrete blinding main on domestic market has two big classes, punching block version and plywood form, punching block version quality Heavier, cost is high, in-convenience in use, and get rusty easily, it is easy to concrete bonding, make troubles to construction and have an effect on engineering matter Amount.Plywood form mainly has two classes: bamboo plywood form and wood plywood template.Bamboo plywood form is to weave with bamboo chip Bamboo curtain splint and bamboo mat, dried at impregnation, hot pressing of manually mating formation forms.Its advantage is that intensity is high, reusable, but density is relatively Greatly, cost is high, makes the popularization of product be restricted.Veneer bonding is mainly got up by wood plywood template by phenolic resin A kind of thick wood plywood, there is density low quality light, easy to use, the advantage such as cheap, is currently used the most extensive A kind of concrete blinding.Its shortcoming is that intensity is relatively low, yielding, is weak to use, and the number of turnover is few, it is difficult to adapts to high standard and wants Ask.
Summary of the invention
In order to solve the problems referred to above that prior art exists, the invention provides a kind of intensity height, easy accessibility, weather-proof prevent Corruption, the durability demoulding strong, easy, the number of turnover be many, can the plastic overlay plywood building template of industrialized production and preparation side thereof Method.
The technical solution adopted in the present invention is:
A kind of plastic overlay plywood building template, includes coated by high-molecular film layer, overwood cortex, glue the most successively Plywood sandwich layer, lower veneer layer and lower coated by high-molecular film layer, described upper coated by high-molecular film layer, overwood cortex, lamella core, lower wood The ratio of the thickness of cortex and lower coated by high-molecular film layer is 0.2-0.6:1.8-2.2:9.2-10.8:1.8-2.2:0.2-0.6.
Described upper coated by high-molecular film layer is identical with the material of described lower coated by high-molecular film layer, adopts and prepares with the following method:
(S1) 120-150 parts by weight of thermoplastic, 110-130 parts by weight of inorganic filler, 11-15 weight portion are weighed successively Coupling agent, 5-8 weight portion lubricant and 5-8 weight portion Masterbatch, add in high-speed mixer, under 80-150 DEG C of temperature conditions Carry out mixing 25-45min, be cooled to room temperature afterwards, obtain premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 150-220 DEG C, rotating speed be Carry out pelletize under conditions of 60-120r/min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer with described under Coated by high-molecular film layer.
Described thermoplastic is the one in polyethylene, polypropylene, polrvinyl chloride, polystyrene and polyamide or wherein Several mixture formed with arbitrary proportion；
Described inorganic filler is one or more in calcium carbonate, Pulvis Talci, Kaolin, Muscovitum, wollastonite and barium sulfate Mixture with arbitrary proportion composition；
Described coupling agent is maleic anhydride stem grafting polyolefin, titanate esters, isocyanates, hexamethyldisiloxane, hexamethyl One or more in disiloxane, aminopropyl triethoxysilane and methacryloxypropyl trimethoxy silane are to appoint The mixture of meaning ratio composition；
Described lubricant is one or more in stearic acid, Metallic stearates, paraffin, Tissuemat E and polypropylene wax Mixture with arbitrary proportion composition.
Described overwood cortex is poplar plate or the Eucalyptus plate that moisture content is less than 12wt%, and described lower veneer layer is that moisture content is low Poplar plate or Eucalyptus plate in 12wt%.
Nonwoven layer, described lower coated by high-molecular film layer are set between described upper coated by high-molecular film layer and described overwood cortex And between described lower veneer layer, lower nonwoven layer is set.
The thickness of described upper nonwoven layer and lower nonwoven layer is 0.1-0.4mm, described upper nonwoven layer and lower nonwoven The specification of layer of cloth is 60-90g/m2。
Described lamella core is the vertical structure using some vertically arranged batten bondings, uses this area Batten is bonded together by conventional use of adhesive.
A kind of method preparing described plastic overlay plywood building template, comprises the steps:
(1) upper and lower surface of described lamella core is all carried out sanding surface process with sander, press afterwards Glue-spread 0.3-0.35kg/ the first adhesive is uniformly coated on sanding process after described lamella core upper surface and Lower surface；
(2) overwood cortex and lower veneer layer are taken, by the one side of overwood cortex and lower veneer layer by glue-spread 0.15- 0.25kg/ even spread the first adhesive, overlays on step (1) described afterwards by the overwood cortex of single spreading the first adhesive It is coated with the upper surface of the lamella core of the first adhesive, the lower veneer layer of single spreading the first adhesive is overlayed on step (1) The lower surface of the lamella core of described coating the first adhesive, in the condition that pressure is 18-20MPa, temperature 115-125 DEG C Under, carry out hot-pressing processing 12-15min for the first time, obtain semi-finished product；
(3) upper and lower surface of step (2) described semi-finished product is uniformly coated with by glue-spread 0.3-0.35kg/ respectively Cloth the second adhesive；
(4) coated by high-molecular film layer and lower coated by high-molecular film layer are taken, by upper coated by high-molecular film layer and lower coated by high-molecular film layer 4 angles of one side at by glue-spread 0.15-0.25kg/, gluing area 5cm × 5cm even spread the second adhesive, afterwards will The upper coated by high-molecular film layer of single spreading the second adhesive overlays on the upper table of the semi-finished product of step (3) described coating the second adhesive Face, overlays on the semi-finished product of step (3) described coating the second adhesive by the lower coated by high-molecular film layer of single spreading the second adhesive Lower surface, under conditions of pressure is 16-18MPa, temperature 135-145 DEG C, carry out second time hot-pressing processing 8-10min, i.e. Obtain described plastic overlay plywood building template.
Described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 20-25 weight portion face respectively Powder and 100 weight portion melmacs, allotment forms；
Described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 25-30 weight portion face respectively Powder and 100 parts by weight of phenolic resin, allotment forms.
Toner is preferably used rust red toner so that it is red that the first adhesive and the second adhesive all present rust, with side Just judge whether the first adhesive or the second adhesive are smeared uniformly.
In step (4), also to the side surrounding spraying underwater paint of described plastic overlay plywood building template.
The invention have the benefit that
Plastic overlay plywood building template of the present invention, include the most successively coated by high-molecular film layer, on Veneer layer, lamella core, lower veneer layer and lower coated by high-molecular film layer, and described upper coated by high-molecular film layer, overwood cortex, gluing The ratio of the thickness of plate sandwich layer, lower veneer layer and lower coated by high-molecular film layer is 0.2-0.6:1.8-2.2:9.2-10.8:1.8-2.2: 0.2-0.6；Further preferred described lamella core is the vertical structure using some vertically arranged batten bondings, The intensity making plywood building template of the present invention eventually is high, and good toughness can reduce the usage quantity that building template supports； The easily demoulding, non-sticky mixed earth, weather-proof anticorrosion, durability are strong, thus easy construction, and ensure construction quality；The number of turnover is to pass 3-5 times of construction in a systematic way building mould；The ratio that expands with heat and contract with cold is close with timber, and heat conductivity is little, thus beneficially winter construction insulation；Water-fast Property good, do not seep water, it is to avoid meet water during concrete curing and make moist deformation；Additionally, be also with waste or used plastics to be processed into high score Sub-coating layer, decreases plastic pollution, has environment protection significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the plastic overlay plywood building template that an embodiment of the present invention provides.
In figure: 1-lamella core, 11-batten, 21-overwood cortex, veneer layer under 22-, 31-upper coated by high-molecular film layer, Coated by high-molecular film layer under 32-.
Detailed description of the invention
Example below represents 1g with 1 weight portion.
Embodiment 1
The present embodiment provides a kind of plastic overlay plywood building template, as it is shown in figure 1, be from top to bottom followed successively by high score Sub-coating layer 31, overwood cortex 21, lamella core 1, lower veneer layer 22 and lower coated by high-molecular film layer 32；Wherein, upper macromolecule The thickness of coating layer 31 is 0.2mm, and overwood cortex 21 is the poplar plate (moisture content 11wt%) of thickness 2.2mm；Lamella core 1 For using the vertical structure of some vertically arranged batten 11 bondings, the thickness 9.2mm of lamella core 1, lower veneer layer 22 is the poplar plate (moisture content 11wt%) of thickness 2.2mm, and the thickness of lower coated by high-molecular film layer 32 is 0.2mm.
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) 120 weight account polyethylenes, 130 weight parts of calcium carbonate, 11 parts by weight maleic anhydride grafted polyolefin are weighed successively Hydrocarbon, 8 weight portion stearic acid and 5 weight portion Masterbatch, add in high-speed mixer, mix under 80 DEG C of temperature conditionss 45min, is cooled to room temperature afterwards, obtains premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 150 DEG C, rotating speed be 60r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards First adhesive is uniformly coated on upper surface and the following table of the described lamella core 1 after sanding processes by glue-spread 0.3kg/ Face；Wherein, described first adhesive is adopted and is prepared with the following method: weigh respectively 0.001 weight portion toner, 20 weight portion flour and 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.15kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 18MPa, under conditions of temperature 115 DEG C, Carry out hot-pressing processing 12min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.3kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 25 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 are taken, by upper coated by high-molecular film layer 31 and lower macromolecule By glue-spread 0.15kg/, gluing area 5cm × 5cm even spread the second adhesive at 4 angles of the one side of coating layer 32, it After the upper coated by high-molecular film layer 31 of single spreading the second adhesive overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, the lower coated by high-molecular film layer 32 of single spreading the second adhesive is overlayed on step (3) described coating the second adhesive The lower surface of semi-finished product, be 16MPa at pressure, under conditions of temperature 135 DEG C, carry out second time hot-pressing processing 8min, to obtain final product Described plastic overlay plywood building template.
Embodiment 2
The present embodiment provides a kind of plastic overlay plywood building template, is from top to bottom followed successively by coated by high-molecular film layer 31, overwood cortex 21, lamella core 1, lower veneer layer 22 and lower coated by high-molecular film layer 32；Wherein, upper coated by high-molecular film layer 31 Thickness be 0.6mm, overwood cortex 21 is the Eucalyptus plate (moisture content 10wt%) of thickness 1.8mm；If lamella core 1 is for using The vertical structure of dry vertically arranged batten 11 bonding, lamella core 1 for thickness 10.8mm；Lower veneer layer 22 is thick The Eucalyptus plate (moisture content 10wt%) of degree 1.8mm, the thickness of lower coated by high-molecular film layer 32 is 0.6mm.
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) 150 parts by weight of polypropylene, 110 weight portion Pulvis Talci, 15 weight portion titanate esters, 5 weight portions are weighed successively hard Fat acid sodium and 8 weight portion Masterbatch, add in high-speed mixer, carries out mixing 25min under 150 DEG C of temperature conditionss, the coldest But to room temperature, premix material is obtained；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 220 DEG C, rotating speed be 120r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards Glue-spread 0.35kg/ the first adhesive is uniformly coated on sanding process after described lamella core 1 upper surface and under Surface；Wherein, described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 25 weight portion flour respectively With 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.25kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 20MPa, under conditions of temperature 125 DEG C, Carry out hot-pressing processing 15min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.35kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 30 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 are taken, by upper coated by high-molecular film layer 31 and lower macromolecule By glue-spread 0.25kg/, gluing area 5cm × 5cm even spread the second adhesive at 4 angles of the one side of coating layer 32, it After the upper coated by high-molecular film layer 31 of single spreading the second adhesive overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, the lower coated by high-molecular film layer 32 of single spreading the second adhesive is overlayed on step (3) described coating the second adhesive The lower surface of semi-finished product, be 18MPa at pressure, under conditions of temperature 145 DEG C, carry out second time hot-pressing processing 10min, to obtain final product Described plastic overlay plywood building template.
Embodiment 3
The present embodiment provides a kind of plastic overlay plywood building template, is from top to bottom followed successively by coated by high-molecular film layer 31, overwood cortex 21, upper nonwoven layer, lamella core 1, lower veneer layer 22, lower nonwoven layer and lower coated by high-molecular film layer 32； Wherein, the thickness of upper coated by high-molecular film layer 31 is 0.4mm, and overwood cortex 21 is the poplar plate (moisture content of thickness 2.0mm 9wt%), the specification of upper nonwoven layer is 60g/m2, thickness be 0.4mm；Lamella core 1 is to use some vertically arranged wood The vertical structure of bar 11 bonding, the thickness of lamella core 1 is 10mm, and lower veneer layer 22 is the poplar plate of thickness 2.0mm (moisture content 9wt%), the specification of lower nonwoven layer is 60g/m2, thickness be 0.4mm, the thickness of lower coated by high-molecular film layer 32 is 0.4mm。
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) 135 weight portion polrvinyl chloride, 120 parts by weight kaolin clay, 13 weight portion isocyanates, 6 weight are weighed successively Part paraffin and 6 weight portion Masterbatch, add in high-speed mixer, carries out mixing 30min under 120 DEG C of temperature conditionss, the coldest But to room temperature, premix material is obtained；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 180 DEG C, rotating speed be 90r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards Glue-spread 0.32kg/ the first adhesive is uniformly coated on sanding process after described lamella core 1 upper surface and under Surface；Wherein, described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 22 weight portion flour respectively With 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.20kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 19MPa, under conditions of temperature 120 DEG C, Carry out hot-pressing processing 13min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.33kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 28 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 are taken, by upper coated by high-molecular film layer 31 and lower macromolecule Respectively by glue-spread 0.20kg/, gluing area 5cm × 5cm even spread the second gluing at 4 angles of the one side of coating layer 32 Agent, then it is compound that the upper coated by high-molecular film layer 31 of single spreading the second adhesive and upper non-woven fabrics are carried out bonding, obtains upper plastics Composite bed, carries out bonding by lower coated by high-molecular film layer 32 and the lower non-woven fabrics of single spreading the second adhesive compound, moulds under obtaining Material composite bed；
Afterwards, the nonwoven cloth cover of upper plastics composite bed is overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, overlays on the lower surface of the semi-finished product of step (3) described coating the second adhesive by the nonwoven cloth cover of lower plastics composite bed, And be 17MPa at pressure, under conditions of temperature 140 DEG C, carry out second time hot-pressing processing 9min, after hot pressing completes, be combined Plate, is cooled to 40 DEG C by described composite plate, after cutting edge, to the side surrounding spraying underwater paint of composite plate, obtains described plastics and covers Face plywood building template.
Embodiment 4
The present embodiment provides a kind of plastic overlay plywood building template, is from top to bottom followed successively by coated by high-molecular film layer 31, overwood cortex 21, lamella core 1, lower veneer layer 22 and lower coated by high-molecular film layer 32；Wherein, upper coated by high-molecular film layer 31 Thickness be 0.4mm, the specification of upper nonwoven layer is 90g/m2, thickness be 0.1mm, overwood cortex 21 is the poplar of thickness 2.0mm Plank (moisture content 9wt%)；Lamella core 1 is the vertical structure using some vertically arranged batten 11 bondings, glue The thickness of plywood sandwich layer 1 is 10mm, and lower veneer layer 22 is the poplar plate (moisture content 9wt%) of thickness 2.0mm, lower nonwoven layer Specification is 90g/m2, thickness be 0.1mm, the thickness of lower coated by high-molecular film layer 32 is 0.4mm.
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) weigh successively 135 weight portion polystyrene, 120 parts by weight mica, 13 weight portion hexamethyl disiloxanes, 6 Weight account polyethylene wax and 6 weight portion Masterbatch, add in high-speed mixer, mix under 120 DEG C of temperature conditionss 30min, is cooled to room temperature afterwards, obtains premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 180 DEG C, rotating speed be 90r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards Glue-spread 0.32kg/ the first adhesive is uniformly coated on sanding process after described lamella core 1 upper surface and under Surface；Wherein, described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 22 weight portion flour respectively With 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.20kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 19MPa, under conditions of temperature 120 DEG C, Carry out hot-pressing processing 13min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.33kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 28 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) glue-spread will be pressed at 4 angles of one side of upper coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 respectively 0.20kg/, gluing area 5cm × 5cm even spread the second adhesive, the upper macromolecule by single spreading the second adhesive It is compound that coating layer 31 and upper non-woven fabrics carry out bonding, obtains upper plastics composite bed, by the lower high score of single spreading the second adhesive It is compound that sub-coating layer 32 and lower non-woven fabrics carry out bonding, obtains lower plastics composite bed；
Afterwards, the nonwoven cloth cover of upper plastics composite bed is overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, overlays on the lower surface of the semi-finished product of step (3) described coating the second adhesive by the nonwoven cloth cover of lower plastics composite bed, And be 17MPa at pressure, under conditions of temperature 140 DEG C, carry out second time hot-pressing processing 9min, after hot pressing completes, be combined Plate, is cooled to 37 DEG C by described composite plate, after cutting edge, to the side surrounding spraying underwater paint of composite plate, obtains described plastics and covers Face plywood building template.
Embodiment 5
The present embodiment provides a kind of plastic overlay plywood building template, is from top to bottom followed successively by coated by high-molecular film layer 31, overwood cortex 21, lamella core 1, lower veneer layer 22 and lower coated by high-molecular film layer 32；Wherein, upper coated by high-molecular film layer 31 Thickness be 0.4mm, overwood cortex 21 is the poplar plate (moisture content 8wt%) of thickness 2.0mm, and lamella core 1 is thickness The normal plywood of 10mm, lower veneer layer 22 is the poplar plate (moisture content 8wt%) of thickness 2.0mm, lower coated by high-molecular film layer 32 Thickness be 0.4mm.
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) weigh successively 135 weight parts of polyamide, 120 weight portion wollastonites, 13 weight portion hexamethyldisiloxane, 6 Parts by weight of polypropylene wax and 6 weight portion Masterbatch, add in high-speed mixer, mix under 120 DEG C of temperature conditionss 30min, is cooled to room temperature afterwards, obtains premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 180 DEG C, rotating speed be 90r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards Glue-spread 0.32kg/ the first adhesive is uniformly coated on sanding process after described lamella core 1 upper surface and under Surface；Wherein, described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 22 weight portion flour respectively With 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.20kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 19MPa, under conditions of temperature 120 DEG C, Carry out hot-pressing processing 13min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.33kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 28 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 are taken, by upper coated by high-molecular film layer 31 and lower macromolecule By glue-spread 0.20kg/, gluing area 5cm × 5cm even spread the second adhesive at 4 angles of the one side of coating layer 32, it After the upper coated by high-molecular film layer 31 of single spreading the second adhesive overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, the lower coated by high-molecular film layer 32 of single spreading the second adhesive is overlayed on step (3) described coating the second adhesive The lower surface of semi-finished product, be 17MPa at pressure, under conditions of temperature 140 DEG C, carry out second time hot-pressing processing 9min, hot pressing After completing, obtain composite plate, described composite plate is cooled to 38 DEG C, after cutting edge, to the side surrounding spraying underwater paint of composite plate, Obtain described plastic overlay plywood building template.
Embodiment 6
The present embodiment provides a kind of plastic overlay plywood building template, is from top to bottom followed successively by coated by high-molecular film layer 31, overwood cortex 21, lamella core 1, lower veneer layer 22 and lower coated by high-molecular film layer 32；Wherein, upper coated by high-molecular film layer 31 Thickness be 0.4mm, overwood cortex 21 is the poplar plate (moisture content 8wt%) of thickness 2.0mm, and lamella core 1 is thickness The normal plywood of 10mm, lower veneer layer 22 is the poplar plate (moisture content 8wt%) of thickness 2.0mm, lower coated by high-molecular film layer 32 Thickness be 0.4mm.
Wherein, described upper coated by high-molecular film layer 31 is identical with the material of described lower coated by high-molecular film layer 32, all uses as follows Prepared by method:
(S1) 135 weight parts of polyamide, 120 parts sulfuric acid barium, 13 weight portion aminopropyl-triethoxy silicon are weighed successively Mixture that alkane and methacryloxypropyl trimethoxy silane form according to mass ratio 1:1,6 parts by weight of polypropylene waxes and 6 weight portion Masterbatch, add in high-speed mixer, carry out mixing 30min, be cooled to room temperature afterwards under 120 DEG C of temperature conditionss, Obtain premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 180 DEG C, rotating speed be 90r/ Carry out pelletize under conditions of min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer 31 or described lower macromolecule Coating layer 32.
Further, described plastic overlay plywood building template is adopted and is prepared with the following method:
(1) upper and lower surface of described lamella core 1 is all carried out sanding surface process with sander, press afterwards Glue-spread 0.32kg/ the first adhesive is uniformly coated on sanding process after described lamella core 1 upper surface and under Surface；Wherein, described first adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 22 weight portion flour respectively With 100 weight portion melmacs, allotment forms；
(2) overwood cortex 21 and lower veneer layer 22 are taken, by the one side of overwood cortex 21 and lower veneer layer 22 by glue-spread 0.20kg/ even spread the first adhesive, overlays on step (1) institute by the overwood cortex 21 of single spreading the first adhesive afterwards State the upper surface of the lamella core 1 of coating the first adhesive, the lower veneer layer 22 of single spreading the first adhesive is overlayed on step Suddenly the lower surface of the lamella core 1 of (1) described coating the first adhesive, pressure be 19MPa, under conditions of temperature 120 DEG C, Carry out hot-pressing processing 13min for the first time, obtain semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.33kg/ even spread the Two adhesives；Wherein, described second adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 28 weight portions respectively Flour and 100 parts by weight of phenolic resin, allotment forms；
(4) coated by high-molecular film layer 31 and lower coated by high-molecular film layer 32 are taken, by upper coated by high-molecular film layer 31 and lower macromolecule By glue-spread 0.20kg/, gluing area 5cm × 5cm even spread the second adhesive at 4 angles of the one side of coating layer 32, it After the upper coated by high-molecular film layer 31 of single spreading the second adhesive overlayed on the semi-finished product of step (3) described coating the second adhesive Upper surface, the lower coated by high-molecular film layer 32 of single spreading the second adhesive is overlayed on step (3) described coating the second adhesive The lower surface of semi-finished product, be 17MPa at pressure, under conditions of temperature 140 DEG C, carry out second time hot-pressing processing 9min, hot pressing After completing, obtain composite plate, described composite plate is cooled to 36 DEG C, after cutting edge, to the side surrounding spraying underwater paint of composite plate, Obtain described plastic overlay plywood building template.
Experimental example
According to GB/T17657-1999 test methods of evaluating the properties of wood-based panels and surface decorated wood-based panels, the embodiment of the present invention 3 is made The described plastic overlay plywood building template obtained carries out boiling test, uses normal plywood building template of the prior art As comparison, specific as follows:
Plywood building template trial target and reference substance are individually placed to decocting in water 4h in boiling water, take out and be placed on (63 ± 3) DEG C drying baker in be dried 20h, the most again trial target and reference substance are placed in boiling water and boil 4h, take out be placed on (63 ± 3) drying baker DEG C is dried 3h.Result shows, after decocting in water, cracking de-between each layer of normal plywood building template Open, and between the plastic overlay each layer of plywood building template of the present invention, bonding firmly, is not layered, of the present invention moulding is described Material veneered plywood building template has stronger bonding strength.
The described plastic overlay plywood building embodiment of the present invention 3 prepared according to GB/T17656-2008 test method Template carries out the detection of the performances such as moisture content, and result is as shown in table 1.
The properties testing result of plastic overlay plywood building template described in table 1-
The present invention is not limited to above-mentioned preferred forms, and anyone can show that under the enlightenment of the present invention other are various The product of form, no matter but in its shape or structure, make any change, every have same as the present application or akin skill Art scheme, within all falling within protection scope of the present invention.

Claims (10)

1. a plastic overlay plywood building template, it is characterised in that include the most successively coated by high-molecular film layer, on Veneer layer, lamella core, lower veneer layer and lower coated by high-molecular film layer, described upper coated by high-molecular film layer, overwood cortex, plywood The ratio of the thickness of sandwich layer, lower veneer layer and lower coated by high-molecular film layer is 0.2-0.6:1.8-2.2:9.2-10.8:1.8-2.2: 0.2-0.6。
Plastic overlay plywood building template the most according to claim 1, it is characterised in that described upper coated by high-molecular film layer Identical with the material of described lower coated by high-molecular film layer, adopt and prepare with the following method:
(S1) 120-150 parts by weight of thermoplastic, 110-130 parts by weight of inorganic filler, 11-15 weight portion coupling are weighed successively Agent, 5-8 weight portion lubricant and 5-8 weight portion Masterbatch, add in high-speed mixer, carry out under 80-150 DEG C of temperature conditions Mixing 25-45min, is cooled to room temperature afterwards, obtains premix material；
(S2) step (S1) described premix material is added in dual-screw pelletizer, temperature be 150-220 DEG C, rotating speed be 60- Carry out pelletize under conditions of 120r/min, obtain pellet through processing and forming, obtain described upper coated by high-molecular film layer and described lower height Molecule coating layer.
Plastic overlay plywood building template the most according to claim 2, it is characterised in that described thermoplastic is poly- A kind of or the most several mixing formed with arbitrary proportion in ethylene, polypropylene, polrvinyl chloride, polystyrene and polyamide Thing；
Described inorganic filler is that one or more in calcium carbonate, Pulvis Talci, Kaolin, Muscovitum, wollastonite and barium sulfate are to appoint The mixture of meaning ratio composition；
Described coupling agent is maleic anhydride stem grafting polyolefin, titanate esters, isocyanates, hexamethyldisiloxane, hexamethyl two silicon One or more in oxygen alkane, aminopropyl triethoxysilane and methacryloxypropyl trimethoxy silane with arbitrarily than The mixture of example composition；
Described lubricant is that one or more in stearic acid, Metallic stearates, paraffin, Tissuemat E and polypropylene wax are to appoint The mixture of meaning ratio composition.
Plastic overlay plywood building template the most according to claim 1, it is characterised in that described overwood cortex is aqueous Rate is less than poplar plate or the Eucalyptus plate of 12wt%, and described lower veneer layer is poplar plate or the Eucalyptus plate that moisture content is less than 12wt%.
Plastic overlay plywood building template the most according to claim 1, it is characterised in that described upper coated by high-molecular film layer And nonwoven layer is set between described overwood cortex, between described lower coated by high-molecular film layer and described lower veneer layer, lower nothing is set Spin layer of cloth.
Plastic overlay plywood building template the most according to claim 5, it is characterised in that described upper nonwoven layer and under The thickness of nonwoven layer is 0.1-0.4mm, and the specification of described upper nonwoven layer and lower nonwoven layer is 60-90g/m2。
Plastic overlay plywood building template the most according to claim 1, it is characterised in that described lamella core is Use the vertical structure that some vertically arranged battens bond.
8. the method for the plastic overlay plywood building template that a kind is prepared described in any one of claim 1-7, it is characterised in that Comprise the steps:
(1) upper and lower surface of described lamella core is all carried out sanding surface process with sander, press gluing afterwards First adhesive is uniformly coated on upper surface and the following table of the described lamella core after sanding processes by amount 0.3-0.35kg/ Face；
(2) overwood cortex and lower veneer layer are taken, by the one side of overwood cortex and lower veneer layer by glue-spread 0.15-0.25kg/ Even spread the first adhesive, overlays on step (1) described coating first by the overwood cortex of single spreading the first adhesive afterwards The upper surface of the lamella core of adhesive, overlays on step (1) described coating by the lower veneer layer of single spreading the first adhesive The lower surface of the lamella core of the first adhesive, under conditions of pressure is 18-20MPa, temperature 115-125 DEG C, carries out Hot-pressing processing 12-15min, obtains semi-finished product；
(3) by the upper and lower surface of step (2) described semi-finished product respectively by glue-spread 0.3-0.35kg/ even spread the Two adhesives；
(4) coated by high-molecular film layer and lower coated by high-molecular film layer are taken, by upper coated by high-molecular film layer and the list of lower coated by high-molecular film layer By glue-spread 0.15-0.25kg/, gluing area 5cm × 5cm even spread the second adhesive at angle, 4, face, afterwards by one side It is coated with the upper surface that the upper coated by high-molecular film layer of the second adhesive overlays on the semi-finished product of step (3) described coating the second adhesive, The lower coated by high-molecular film layer of single spreading the second adhesive is overlayed under the semi-finished product of step (3) described coating the second adhesive Surface, under conditions of pressure is 16-18MPa, temperature 135-145 DEG C, carries out second time hot-pressing processing 8-10min, obtains institute State plastic overlay plywood building template.
The preparation method of plastic overlay plywood building template the most according to claim 8, it is characterised in that described first Adhesive is adopted and is prepared with the following method: weigh 0.001 weight portion toner, 20-25 weight portion flour and 100 weight portion trimerizations respectively Melamine resin, allotment forms；
Described second adhesive is adopted and is prepared with the following method: weigh respectively 0.001 weight portion toner, 25-30 weight portion flour and 100 parts by weight of phenolic resin, allotment forms.
The preparation method of plastic overlay plywood building template the most according to claim 8, it is characterised in that step (4) In, also to the side surrounding spraying underwater paint of described plastic overlay plywood building template.
CN201610892156.4A 2016-10-12 2016-10-12 Plastic-covered plywood building formwork and preparation method thereof Pending CN106320695A (en)

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CN110900744A (en) * 2019-10-31 2020-03-24 湖南林丰木业有限公司 Method for manufacturing building template
CN110861183A (en) * 2019-11-21 2020-03-06 湖州众信新材料科技有限公司 Anti-deformation solid wood decoration strip and manufacturing process thereof
CN111041994A (en) * 2019-12-24 2020-04-21 中交隧道工程局有限公司 Pier stud wraps up in mould device
CN112937004A (en) * 2021-02-04 2021-06-11 浙江欧飞新材料集团有限公司 PVC (polyvinyl chloride) coated sheet material for indoor wall surface and preparation method thereof

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Application publication date: 20170111