CN110053125A - A kind of soybean is without aldehyde glue, PP film veneer composite floor board and preparation method thereof - Google Patents
A kind of soybean is without aldehyde glue, PP film veneer composite floor board and preparation method thereof Download PDFInfo
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- CN110053125A CN110053125A CN201910276596.0A CN201910276596A CN110053125A CN 110053125 A CN110053125 A CN 110053125A CN 201910276596 A CN201910276596 A CN 201910276596A CN 110053125 A CN110053125 A CN 110053125A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/12—Chemical modification
- C08J7/123—Treatment by wave energy or particle radiation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/14—Surface shaping of articles, e.g. embossing; Apparatus therefor by plasma treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/45—Joining of substantially the whole surface of the articles
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/0427—Coating with only one layer of a composition containing a polymer binder
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
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- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
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- 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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
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- 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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2433/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
Abstract
The present invention provides a kind of manufacturing method of PP film veneer composite floor board, the composite floor board includes top-down PP film surface layer, without aldehyde adhesive layer and multi-layer substrate layer, and the manufacturing method is the following steps are included: carry out plasma, coating process to PP back of the membrane up to PP film surface layer；Soybean is coated with without the criss-cross assembly of aldehyde glue, multi-layer substrate layer is made after cold pressing, hot pressing；By the front coating of multi-layer substrate layer without aldehyde adhesive, then by the front of multi-layer substrate layer and the back adhesive of PP film, PP film veneer multi-layer composite floor is formed after cold pressing, hot pressing.
Description
Technical field
The invention belongs to the multi-layer composite floors and its manufacturer of floor field more particularly to a kind of polypropylene screen veneer
Method.
Background technique
The principal item of timber floor has consolidated floor, solid wooden compound floor, solid wooden floor board, impregnated paper pressing plate veneer multilayer
Solid wooden compound floor.In recent years, impregnated paper pressing plate veneer multi-layer solid wood composite floor is multiple due to having both consolidated floor and solid wood
Close the characteristic on floor and fast-developing.It is the problem of further development and added value are promoted however, restricting it: makes in production
With surface abrasion resistance paper and facing paper containing formaldehyde, cause product that cannot prevent the problem of discharging free formaldehyde；In addition, dipping
Paper veneer causes its use environment to be limited to there is also the problem that crack resistance can be poor.
PP (polypropylene) decorating film is to be mixed in a certain ratio melting with the polypropylene of different attribute (PP particle) to be rolled into
Substrate, then by the modified setting texture in surface, pattern and wearing layer, become the novel environment friendly surface dress for meeting veneer requirement
Exterior material.Product itself almost zero formaldehyde, environmental-protecting performance is brilliant, does not discharge noxious material (PVC decorative Film burning burning
When can generate be pungent strong black smoke and poisonous and harmful substance)；Stretch-proof, cold tolerance are strong, will not be cracked for 30 degree under zero in winter, resistance to
130 degree of high temperature or less will not deform.
Using PP film veneer, the release trip of impregnated paper pressing plate veneer multi-layer solid wood composite floor can have both been solved from source
The problem of from formaldehyde, and extreme climate is adapted to without cracking.Existing PP film veneer wood materials, the preparation method is as follows: base
Material is heated by one layer of PUR hot melt adhesive of single surface gluing machine even spread through Hot-blast Heating tunnel, will be coiled in a manner of roll-in
PP decorating film be pasted on substrate surface through compound pressure attached machine, by cutting machine, length, width deburring cutting means etc. will be extra
Decorating film removal.CN104746845A discloses a kind of non-formaldehyde intensified composite floor board, using HDF density board as substrate, in substrate table
Face coating will decorate wood grain PP film and HDF using roller line pressure combination process without aldehyde composition binder resin, polyurethane-modified coating
Density board bonding, that there are bonding forces is not strong for such attaching process；Furthermore this overlays the technique of mode and process is all more complicated, limit
The use of PP film is made.
Summary of the invention
The present invention provides a kind of manufacturing method of PP film veneer composite floor board, and the composite floor board includes top-down
PP film surface layer, without aldehyde adhesive layer and multi-layer substrate layer, the manufacturing method the following steps are included:
One, the preparation on PP film surface layer:
1. carrying out plasma treatment to PP back of the membrane, increase its surface roughness and reactivity；
2. talcum powder is added in acrylic resin dissolution afterwards in deionized water, obtained coating layer is stirred evenly；
3. by 2. coating layer obtained by the PP back of the membrane being spread evenly across by 1. obtaining to get PP film surface layer；
Two, the preparation of multi-layer substrate layer:
Using with a thickness of 0.7~8.5mm poplar or Eucalyptus or pine or beech veneer as raw material, by coating soybean without
Multi-layer substrate layer is made after cold pressing, hot pressing in the criss-cross assembly of aldehyde glue；
Wherein, the soybean is prepared by the following method without aldehyde glue, in parts by weight, by 50~100 parts of water,
100~300 parts of polyamide-epoxy chloropropane resin solution, 100~200 parts of defatted soy flours, 30~90 parts of aluminium hydroxides, 10~
80 parts of flour, 1~10 part of Tween-80 are successively added in reaction kettle, stir under the conditions of 50~120 DEG C；
Three, the manufacture of PP film veneer multi-layer composite floor:
By the front coating of step 2 multi-layer substrate layer without aldehyde adhesive, then by the front of multi-layer substrate layer and PP film
Back adhesive forms PP film veneer multi-layer composite floor after cold pressing, hot pressing.
The present inventor has found that the ratio of aluminium hydroxide and flour as described above is added in long-term practice
After rubber made from soybean cake, the intensity of rubber made from soybean cake is not influenced, can promote the solid content of rubber made from soybean cake instead；The Tween-80 is made
With the water retention property for being promotion rubber made from soybean cake, soybean provided by the invention is up to 47% without aldehyde glue solid content, much higher than on the market
The 35% of existing rubber made from soybean cake, cost are only 3200 yuan/ton, also far below 4300 yuan/ton of existing rubber made from soybean cake on the market.
In some preferred embodiments of the present invention, the soybean is prepared by the following method without aldehyde glue, according to weight
Number meter is measured, (solid content 12.5%, pH 3.5 are sticked by 100 parts of water, 200 parts of daiamids-epichlorohydrin resin solution
Spend 35cP), 150 part of 300 mesh defatted soy flour, 60 part of 2500 mesh aluminium hydroxide, 30 parts of flour, 1.5 parts of Tween-80s, successively
It is added in reaction kettle, is stirred 2~3 hours under the conditions of 60~90 DEG C.
In some preferred embodiments of the present invention, the no aldehyde adhesive is the modified poly-vinegar acid of carboxyl styrene emulsion
Vinyl acetate lotion is as host agent, and for isocyanates as curing agent, the proportion of host agent and curing agent is 100:8~12；
In some preferred embodiments of the present invention, the solid content of the polyamide-epoxy chloropropane resin solution is
The azacyclo- structural response activity of 12~13%, pH 3~5,30~50cP of viscosity, polyamide-epoxy chloropropane resin are high,
It can crosslink and react with groups such as amino, carboxyls in soybean protein, be to ensure pass of the soybean without aldehyde glue water resistance
Key.
In some preferred embodiments of the present invention, coating layer is specific the preparation method comprises the following steps: by 100 parts in the step 1
Acrylic resin is dissolved in 100 parts of deionized waters, and the talcum powder of 20 parts of 1250 mesh of > is then added, stirs evenly obtained coating
Layer；Preferably, coating layer is according to coating weight 50~100g/ ㎡ even spread PP back of the membrane.
In some preferred embodiments of the present invention, soybean is without aldehyde glue according to 210~360g/ of coated weight in the step 2
㎡ is coated on veneer.
In some preferred embodiments of the present invention, cold pressing and hot compression parameters in the step 2 are as follows: 0.7~1.3MPa
Cold pressing 1 hour, 125 DEG C, 0.7~1.3MPa hot pressing (50+20) s/mm.
In some preferred embodiments of the present invention, cold pressing and hot compression parameters in the step 3 are as follows: 0.7~1.3MPa
Cold pressing 20~60 minutes, 80~110 DEG C, 0.7~1.3MPa hot pressing 6~8 minutes.
In some preferred embodiments of the present invention, the PP film thickness is 0.12~0.2mm.
In some preferred embodiments of the present invention, mesh number >=200 mesh of the defatted soy flour, because mesh number gets over soy meal
Thinner, then the soybean finally prepared is smaller without aldehyde gumminess, is conducive to its even spread on veneer.
In some preferred embodiments of the present invention, aluminium hydroxide mesh number >=1250 mesh, with flour collectively as soybean
The filler of glue is the key that promote rubber made from soybean cake solid content.
It is another object of the present invention to provide a kind of soybean of multi-layer substrate layer gluing without aldehyde glue, the soybean
No aldehyde glue is prepared by the following method, in parts by weight, by 50~100 parts of water, 100~300 parts of polyamides amine-epoxies
Chloropropane resin solution, 100~200 parts of defatted soy flours, 30~90 parts of aluminium hydroxides, 10~80 parts of flour, 1~10 portion of poly- sorb
Ester -80 is successively added in reaction kettle, stirs under the conditions of 50~120 DEG C.
Compared with prior art, the invention has the following advantages:
1. using PP film as surface material, solves impregnated paper pressing plate veneer multi-layer solid wood composite floor and there is release
Free formaldehyde and problem easy to crack；
2. increasing coating layer by plasma treatment, solving the problems, such as that PP film is Nian Jie with timber difficulty；
3. by promoted rubber made from soybean cake solid content, increase rubber made from soybean cake water retention property, solve rubber made from soybean cake hot pressing low efficiency,
The problem of can not adapting to prior art, and greatly reduce the cost of no aldehyde multi-layer substrate.
Detailed description of the invention
Fig. 1 is the schematic perspective view of composite floor board provided by the invention,
Wherein, 1-PP film surface layer, 2- is without aldehyde adhesive layer, 3- multi-layer substrate layer
Specific embodiment
One, a kind of soybean of multi-layer substrate layer gluing is without aldehyde glue preparation method
Embodiment 1
By 100 parts of water, 200 parts of daiamids-epichlorohydrin resin solution (solid content 12.5%, pH 3.5, viscosity
35cP), 150 part of 300 mesh defatted soy flour, 60 part of 2500 mesh aluminium hydroxide, 30 parts of flour, 1.5 parts of Tween-80s, successively plus
Enter in reaction kettle, is stirred 2 hours under the conditions of 80 DEG C；
It includes the step stirred prescription under the conditions of 80 DEG C 2~3 hours that the present embodiment provides soybean without aldehyde glue preparation method
Suddenly, effect is soybean protein denaturation, to extend the storage time of rubber made from soybean cake, the soybean after denaturation treatment is without aldehyde glue
Storage time > 30 days.
Embodiment 2
By 100 parts of water, 200 parts of daiamids-epichlorohydrin resin solution (solid content 12.5%, pH 3.5, viscosity
35cP), 150 part of 300 mesh defatted soy flour, 60 part of 2500 mesh aluminium hydroxide, 30 parts of flour are successively added in reaction kettle, in 80 DEG C of items
It is stirred 2 hours under part.
Embodiment 3
The soybean for taking the rubber made from soybean cake, urea-formaldehyde glue and embodiment 1 of market to obtain is tested for the property without aldehyde glue, and performance includes solid
The results are shown in Table 1 for content, cost, hot pressing time, opening time；
1 performance test table of table
| Product | Solid content | Cost (yuan/ton) | Hot pressing time s/mm | Opening time (h) |
| Commercially available rubber made from soybean cake | < 35% | 4300 | (50+70) | 1h |
| Urea-formaldehyde glue | 60% | 3700 | 60 | Greater than 2h |
| Embodiment 1 | 47% | 3200 | (50+20) | Greater than 2h |
| Embodiment 2 | 47% | 3100 | (50+20) | Less than 0.5h |
" solid content " herein refers to: remainder accounts for the quality percentage of total amount after adhesive is dried under prescribed conditions
Number；" hot pressing time " herein refers to: for after the cold pressing of veneer gluing assembly, being sent into hot press, working as press when making substrate
Closure arrives the complete release ejecting plate required time of press after reaching operation pressure；" opening time " herein refers to: after veneer gluing
The time that can be stored before to upper pressure.
It is compared by the above table 1 it can be found that rubber made from soybean cake solid content currently on the market is below 35%, reason is greatly
The molecular weight of legumin matter is up to 350,000, and inventor has found in long-term practice, passes through hydrogen in embodiment 1 and embodiment 2
After rubber made from soybean cake is added in the ratio of aluminium oxide and flour as described above, the intensity of rubber made from soybean cake is not influenced, can be promoted instead big
The solid content of bean gum.
Though however those skilled in the art can know that aluminium hydroxide and flour introducing can promote rubber made from soybean cake by embodiment 2
Solid content, however in practical applications aluminium hydroxide and flour introducing will lead to rubber made from soybean cake gluing after timber, moisture is waved
Hair is accelerated, and glue-line dry glue is too fast and is not suitable with the production procedure of existing multi-layer substrate, the production of existing substrate, veneer be painted with glue with
The after-opening time is up to 2 hours；However low-solid content rubber made from soybean cake opening time on the market will control within 1 hour, otherwise
Bonding strength can be caused unqualified because coming unglued；Aluminium hydroxide is added in embodiment 2 in rubber made from soybean cake and flour promotes solid content
After, opening time becomes shorter, and is less than half an hour, the assembly time requirement being unable to meet production in process flow；In table 1
It is shown, soybean is obtained in embodiment 1 and is up to 2 hours or more without the opening time of aldehyde glue, i.e. the present invention contains admittedly in raising rubber made from soybean cake
The production of multi-layer substrate is ensured while amount.
As shown in table 1, the present embodiment is obtained is up to 47% without aldehyde rubber made from soybean cake solid content, much higher than existing soybean on the market
The 35% of glue, cost are only 3200 yuan/ton；The usual < 35% of the solid content of existing rubber made from soybean cake on the market, 4300 yuan/ton of price,
And the solid content of urea-formaldehyde glue is up to 60%, 3700 yuan/ton of price, thus cause the hot pressing efficiency cost of existing rubber made from soybean cake on the market
It is higher than urea-formaldehyde glue too many with glue direct cost, cause the price of no aldehyde multi-layer substrate higher than the price of ureaformaldehyde gum base materials by 10
Yuan/㎡ or more hinders the application of no aldehyde product significantly, although and high solids content rubber made from soybean cake solid content produced by the present invention compares urea
Glue is low, but hot pressing time is (50+20) s/mm, (50+70) close to the 60s/mm of urea glue, even more far below rubber made from soybean cake on the market
S/mm, in addition, rubber made from soybean cake cost of the invention is only 3200 yuan/ton, far below 3700 yuan/ton of urea-formaldehyde glue, thus, synthesis is examined
Consider efficiency cost and glue cost, no aldehyde multi-layer substrate cost produced by the present invention is suitable with ureaformaldehyde gum base materials, is far below market
On without aldehyde gum base materials.
Two, a kind of manufacturing method of PP film veneer composite floor board:
Embodiment 4
As shown in Figure 1, a kind of manufacturing method of PP film veneer composite floor board, the composite floor board includes top-down
PP film surface layer 1, without aldehyde adhesive layer 2 and multi-layer substrate layer 3；The manufacturing method specifically includes the following steps:
One, the preparation on PP film surface layer 1:
1. carrying out plasma treatment to PP back of the membrane, increase its surface roughness and reactivity；
2. 100 parts of acrylic resins are dissolved in 100 parts of deionized waters, the talcum powder of 20 part of 1500 mesh is then added,
Stir evenly obtained coating layer；
3. by 2. coating layer obtained according to coating weight 80g/ ㎡ be spread evenly across the PP back of the membrane by 1. handling to get
PP film surface layer 1.
The PP film, 0.12~0.2mm of thickness have solid wood texture, contain wearing layer, printing layer, and wearing layer is assigned
Give the performances such as the excellent hardness of PP film, anti-scratch, printing layer assigns PP film pattern abundant and texture, however PP membrane material and wood
Material difficulty bonding, has its source in PP film and belongs to non-polar material, and timber belongs to polar material, and the present inventor passes through to PP
Film carries out plasma treatment, so that the surface of PP film generates polar group, enhances the adhesive property of PP film and multi-layer substrate layer, from
And promote its modification performance；On this basis, the present inventor is further promoted in PP back of the membrane coating coating layer
The adhesive effect of PP film and timber.
Two, the preparation of multi-layer substrate layer 3:
Inexpensive high solids content soybean that 210g/ ㎡ embodiment 1 obtains is coated on the Eucalyptus veneer of 2.2mm without aldehyde glue,
By criss-cross assembly, be cold-pressed 1 hour, 1.3MPa, 125 DEG C, hot pressing (50+20) s/mm after assembly through 1.3MPa, bonding and
Multi-layer substrate layer is made；
Three, the preparation of PP film veneer composite floor board
By multi-layer substrate layer 3, by roller glue machine, front is coated with the EPI glue (no aldehyde adhesive layer 2) of 190g/ ㎡, then
By the front of multi-layer substrate layer and the back adhesive of PP film, into cold pressing in 30 minutes, 1.3MPa is cold-pressed 20 minutes, 90 DEG C,
1.3MPa hot pressing 6 minutes, the big plate of floor base material of PP film veneer is made, big plate is through health, sawing sheet, mortice opening, back end envelope paint, tenon
After the conventional steps such as slot sealing wax, a kind of PP film veneer multi-layer composite floor of the invention is obtained.
Comparative example 1
As shown in Figure 1, a kind of manufacturing method of PP film veneer composite floor board, the composite floor board includes top-down
PP film surface layer 1, without aldehyde adhesive layer 2 and multi-layer substrate layer 3；The manufacturing method specifically includes the following steps:
One, the preparation on PP film surface layer 1:
1. preparing PP film；
2. 100 parts of acrylic resins are dissolved in 100 parts of deionized waters, the talcum powder of 20 part of 1500 mesh is then added,
Stir evenly obtained coating layer；
3. 2. according to coating weight 80g/ ㎡ PP back of the membrane will be spread evenly across to get PP film surface layer 1 by coating layer obtained；
Two, the preparation of multi-layer substrate layer 3:
Inexpensive high solids content soybean that 210g/ ㎡ embodiment 1 obtains is coated on the Eucalyptus veneer of 2.2mm without aldehyde glue,
By criss-cross assembly, be cold-pressed 1 hour, 1.3MPa, 125 DEG C, hot pressing (50+20) s/mm after assembly through 1.3MPa, bonding and
Multi-layer substrate layer is made；
Three, the preparation of PP film veneer composite floor board
By multi-layer substrate layer 3, by roller glue machine, front is coated with the EPI glue (no aldehyde adhesive layer 2) of 190g/ ㎡, then
By the front of multi-layer substrate layer and the back adhesive of PP film, into cold pressing in 30 minutes, 1.3MPa is cold-pressed 20 minutes, 90 DEG C,
1.3MPa hot pressing 6 minutes, the big plate of floor base material of PP film veneer is made, big plate is through health, sawing sheet, mortice opening, back end envelope paint, tenon
After the conventional steps such as slot sealing wax, a kind of PP film veneer multi-layer composite floor of the invention is obtained.
Comparative example 2
As shown in Figure 1, a kind of manufacturing method of PP film veneer composite floor board, the composite floor board includes top-down
PP film surface layer 1, without aldehyde adhesive layer 2 and multi-layer substrate layer 3；The manufacturing method specifically includes the following steps:
One, the preparation on PP film surface layer 1:
1. preparing PP film；
2. 100 parts of acrylic resins are dissolved in 100 parts of deionized waters, the talcum powder of 20 part of 1500 mesh is then added,
Stir evenly obtained coating layer；
3. 2. according to coating weight 80g/ ㎡ PP back of the membrane will be spread evenly across to get PP film surface layer 1 by coating layer obtained；
Two, the preparation of multi-layer substrate layer 3:
It is coated with the commercially available soybean of 210g/ ㎡ on the Eucalyptus veneer of 2.2mm without aldehyde glue, passes through criss-cross assembly, assembly
It is cold-pressed 1 hour by 1.3MPa, 1.3MPa, 125 DEG C, hot pressing (50+20) s/mm are bonded and multi-layer substrate layer are made；
Three, the preparation of PP film veneer composite floor board
By multi-layer substrate layer 3, by roller glue machine, front is coated with the EPI glue (no aldehyde adhesive layer 2) of 190g/ ㎡, then
By the front of multi-layer substrate layer and the back adhesive of PP film, into cold pressing in 30 minutes, 1.3MPa is cold-pressed 20 minutes, 90 DEG C,
1.3MPa hot pressing 6 minutes, the big plate of floor base material of PP film veneer is made, big plate is through health, sawing sheet, mortice opening, back end envelope paint, tenon
After the conventional steps such as slot sealing wax, a kind of PP film veneer multi-layer composite floor of the invention is obtained.
Embodiment 7
According to the detection method in GB/T 17657-2013, the composite floor board of testing example 4 and the acquisition of embodiment 5
Performance, the results are shown in Table 2,
" surface layer bonding strength " herein refers to the bonding strength of PP film and substrate；" II bonding strength " herein refers to
Refer to the bonding strength between substrate interior veneer and veneer.
It can know that the present invention significantly enhances the bonding force of PP film and multi-layer substrate by plasma treatment by table 2,
Especially it has been obviously improved its wet strength (dipping and stripping test)；In addition, burst size of methanal 0.01mg/m3Belong to timber itself
Burst size, soybean provided by the invention is without the formaldehydeless release of aldehyde glue, and its bonding strength is obviously improved compared with commercially available rubber made from soybean cake.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (10)
1. a kind of manufacturing method of PP film veneer composite floor board, the composite floor board include top-down PP film surface layer, nothing
Aldehyde adhesive layer and multi-layer substrate layer, which is characterized in that the manufacturing method the following steps are included:
One, the preparation on PP film surface layer:
1. carrying out plasma treatment to PP back of the membrane；
2. talcum powder is added in acrylic resin dissolution afterwards in deionized water, obtained coating layer is stirred evenly；
3. by 2. coating layer obtained by the PP back of the membrane being spread evenly across by 1. obtaining to get PP film surface layer；
Two, the preparation of multi-layer substrate layer:
Using with a thickness of 0.7~8.5mm poplar or Eucalyptus or pine or beech veneer as raw material, by coating soybean without aldehyde glue
Multi-layer substrate layer is made after cold pressing, hot pressing in criss-cross assembly；
Wherein, the soybean is prepared by the following method without aldehyde glue, in parts by weight, by 50~100 parts of water, 100
~300 parts of polyamide-epoxy chloropropane resin solution, 100~200 parts of defatted soy flours, 30~90 parts of aluminium hydroxides, 10~80 parts
Flour, 1~10 part of Tween-80 are successively added in reaction kettle, stir under the conditions of 50~120 DEG C；
Three, the manufacture of PP film veneer multi-layer composite floor:
By the front coating of step 2 multi-layer substrate layer without aldehyde adhesive, then by the front of multi-layer substrate layer and the back side of PP film
Bonding forms PP film veneer multi-layer composite floor after cold pressing, hot pressing.
2. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: the soybean is without aldehyde glue
It is prepared by the following method, it is in parts by weight, 100 parts of water, 200 parts of daiamid-epichlorohydrin resins are molten
Liquid (solid content 12.5%, pH3.5, viscosity 35cP), 150 part of 300 mesh defatted soy flour, 60 part of 2500 mesh aluminium hydroxide, 30 parts
Flour, 1.5 parts of Tween-80s are successively added in reaction kettle, stir 2~3 hours under the conditions of 60~90 DEG C；It is preferred that
Ground, mesh number >=200 mesh of the defatted soy flour, aluminium hydroxide mesh number >=1250 mesh.
3. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: the no aldehyde gluing
Agent is the modified polyvinyl acetate emulsion of carboxyl styrene emulsion as host agent, and isocyanates is as curing agent, host agent and solidification
The proportion of agent is 100:8~12.
4. the manufacturing method of PP film veneer composite floor board according to claim 2, it is characterised in that: the polyamide
The solid content of amine-epoxy chloropropane resin solution is 12~13%, pH3~5,30~50cP of viscosity.
5. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: applied in the step 1
Then 20 parts of > are added the preparation method comprises the following steps: 100 parts of acrylic resins are dissolved in 100 parts of deionized waters in layer of cloth specific
The talcum powder of 1250 mesh stirs evenly obtained coating layer；Preferably, coating layer is according to coating weight 50~100g/ ㎡ even spread
PP back of the membrane.
6. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: big in the step 2
Beans are coated in veneer without aldehyde glue according to 210~360g/ of coated weight ㎡.
7. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: in the step 2
Cold pressing and hot compression parameters are as follows: 0.7~1.3MPa is cold-pressed 1 hour, 125 DEG C, 0.7~1.3MPa hot pressing (50+20) s/mm.
8. the manufacturing method of PP film veneer composite floor board according to claim 1, it is characterised in that: in the step 3
Cold pressing and hot compression parameters are as follows: 0.7~1.3MPa is cold-pressed 20~60 minutes, 80~110 DEG C, 0.7~1.3MPa hot pressing 6~8 minutes.
9. the PP film veneer composite floor board that the manufacture of method described in any one obtains according to claim 1~8.
10. a kind of soybean of multi-layer substrate layer gluing is without aldehyde glue, it is characterised in that: the soybean passes through side made above without aldehyde glue
Method obtain, in parts by weight, by 50~100 parts of water, 100~300 parts of polyamide-epoxy chloropropane resin solution, 100~
200 parts of defatted soy flours, 30~90 parts of aluminium hydroxides, 10~80 parts of flour, 1~10 part of Tween-80, are successively added reaction kettle
It is interior, it is stirred under the conditions of 50~120 DEG C；Preferably, 100 parts of water, 200 parts of daiamid-epichlorohydrin resins are molten
Liquid (solid content 12.5%, pH3.5, viscosity 35cP), 150 part of 300 mesh defatted soy flour, 60 part of 2500 mesh aluminium hydroxide, 30 parts
Flour, 1.5 parts of Tween-80s are successively added in reaction kettle, stir 2~3 hours under the conditions of 60~90 DEG C；It is preferred that
Ground, mesh number >=200 mesh of the defatted soy flour.
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| CN202111395934.6A CN114163957A (en) | 2019-04-08 | 2019-04-08 | Soybean formaldehyde-free glue |
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| CN112405733A (en) * | 2020-10-28 | 2021-02-26 | 广西贵港市泰翔木业有限公司 | Production process of formaldehyde-free high-performance multilayer solid wood board by using PP film as facing material |
| CN112455028A (en) * | 2020-11-12 | 2021-03-09 | 浙江云峰莫干山地板有限公司 | Low-VOCs-release water-based paint resin film-faced solid wood composite floor and preparation method thereof |
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| CN112706237A (en) * | 2020-12-17 | 2021-04-27 | 广西贵港市泰翔木业有限公司 | Formaldehyde-free ecological plate coated high-tensile-strength PP film facing process |
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| CN112549218A (en) * | 2020-12-07 | 2021-03-26 | 广西贵港市泰翔木业有限公司 | Processing technology of light-resistant anti-aging formaldehyde-free artificial board |
| CN112571563A (en) * | 2020-12-07 | 2021-03-30 | 广西贵港市泰翔木业有限公司 | Production process of formaldehyde-free flame-retardant board |
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| CN112706237A (en) * | 2020-12-17 | 2021-04-27 | 广西贵港市泰翔木业有限公司 | Formaldehyde-free ecological plate coated high-tensile-strength PP film facing process |
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