CN108608711A - A kind of antibacterial medium density fibre board (MDF) and preparation method thereof - Google Patents

A kind of antibacterial medium density fibre board (MDF) and preparation method thereof Download PDF

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Publication number
CN108608711A
CN108608711A CN201711492840.4A CN201711492840A CN108608711A CN 108608711 A CN108608711 A CN 108608711A CN 201711492840 A CN201711492840 A CN 201711492840A CN 108608711 A CN108608711 A CN 108608711A
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parts
added
antibacterial
mdf
medium density
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CN108608711B (en
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李勇
高振忠
侯贤锋
李锰
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Guangzhou Instrument Medical Furniture Polytron Technologies Inc
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Guangzhou Instrument Medical Furniture Polytron Technologies Inc
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    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/02—Layered products comprising a layer of paper or cardboard next to a fibrous or filamentary layer
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1808—Handling of layers or the laminate characterised by the laying up of the layers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
    • C08G12/36—Ureas; Thioureas
    • C08G12/38—Ureas; Thioureas and melamines
    • 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
    • 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
    • C09J161/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic and acyclic or carbocyclic compounds
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5816—Measuring, controlling or regulating temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/002—Panels; Plates; Sheets
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • 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
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/02—Composition of the impregnated, bonded or embedded layer
    • B32B2260/028—Paper 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
    • B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
    • B32B2260/04—Impregnation, embedding, or binder material
    • B32B2260/046—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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • 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
    • B32B2554/00—Paper of special types, e.g. banknotes
    • 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
    • B32B2607/00—Walls, panels
    • 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
    • C08K3/02—Elements
    • C08K3/08—Metals
    • C08K2003/0806—Silver
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C08K3/346—Clay

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Dry Formation Of Fiberboard And The Like (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Laminated Bodies (AREA)

Abstract

The present invention provides a kind of antibacterial medium density fibre board (MDF)s and preparation method thereof, including inside and outside antibacterial two parts, based on natural antibacterial agent, under the conditions of synergistic effect supplemented by inorganic antiseptic, by carrying out antimicrobial treatment to the fiber in board making process and the adhesive for incrustation paper dipping simultaneously, make antibacterial medium density fibre board (MDF) anti-microbial property obtained it is high, without toxic breakdown products, environmental protection, the standard requirement for meeting country to medium density fibre board (MDF) Fundamental Physical Properties.

Description

A kind of antibacterial medium density fibre board (MDF) and preparation method thereof
Technical field
The present invention relates to wood-based plate decoration material field, more particularly to a kind of antibacterial medium density fibre board (MDF) and its preparation side Method.
Background technology
With the fast development of China's economy, the rapid raising of living standards of the people requires furniture burst size of methanal tight The E1 grades that lattice, i.e. burst size of methanal are up to state standards, do not cause damages to health；And require these interior decoration objects Good anti-microbial property can be kept in the big occasion of plum rain season and air humidity (bathroom, toilet, kitchen) with furniture, no Can be made moist due to fiberboard after the quick flourish of bacterium, cause decorations object and furniture surface to be stained, mechanical strength decline, It gives off a peculiar smell, pollute room air, contact bacterium can be detrimental to health human body for a long time in addition；Secondly, fiberboard is made With in the process, because of internal voids or caused by plate surface is impaired, mushroom also proposed very high resist in internal growth Bacterium requires, and also implies and requires gradually to develop to direction more comprehensively, more three-dimensional to the antibacterial of furniture.
Therefore, the wood-based plate with antibacterial functions is developed with great economic benefit, social benefit and ecological benefits.Mesh The preceding country is not mature enough the research of antibacterial furniture, system, and common method uses melamine resin adehsive stick conduct Facing paper after coating dipping carries out Overlaying process to wood-based plate, and coating itself is detrimental to a kind of matrix of microorganism growth, And most of resin adhesive coating all has resistant function to microorganism.The closure coating that melmac is formed can To prevent microorganism from being grown on the base material for being easy to grow microorganism to a certain extent.However, some impurity of material surface The same growth for supporting microorganism.Such as in kitchen, microbial contamination is mainly derived from swill, by using easy to clean Surface can be easy to remove these microorganisms；If the working region of desk is that people contacts under the state of bending over one's desk working The position of very high frequency, direct skin contact furniture surface simultaneously repeat to contact, and condition is created to the growth of bacterium.Although trimerization Melamine resin film has certain antimicrobial performance of supporting, but whole ability is still very weak, even also, small Damaged surfaces, for example small cut under microscope and coating is uneven, can all weaken the dust collection capacity on surface, cause micro- It growth of the biology inside wood-based plate and infects.
In face of wood-based plate yield growing day by day and utilization rate, quilt is also gradually started to the antibacterial ability of conventional furniture plank Industry and user pay attention to and concern.In this regard, the more processing method used is a certain during manufacturing fiberboard on the market Link directly adds antiseptic, such as in advance mixes antiseptic with wood powder and mixes adhesive and antiseptic when being glued or being glued again It closes, corresponding change is not made to main manufacturing process such as heat pressing process, manufacturing process etc., although improving the antibacterial of wood-based plate Performance, but the physical property for affecting wood-based plate also to a certain extent, are unfavorable for the subsequent long-time service of user；Secondly, The common antiseptic of existing market although having still with organic antibacterial agent such as quaternary ammonium salt, phenolic ether class, based on organic metal, kill Bacterium speed is fast, the universal high advantage of anti-microbial property, but the term of validity is short, and especially decomposition product is often toxic, Long Term Contact meeting The injury of centainly energy degree is caused to human body, should not use object as what is developed in the future.Such as patent CN 1292660C and CN In 104126611B, select organic substance as antiseptic, such as halogenated phosphates, 2n acyls in CN 1292660C Base isothiazolone, isothiazolinone, triclosan in CN 104126611B, butyl hydroxybenzoate, although having reached strong antibacterial effect Fruit, but can still influence the use of user to a certain extent because of possessed toxicity and irritation, there is potential Safety problem.
In view of the above problems, the present invention proposes a kind of antibacterial medium density fibre board (MDF) and preparation method thereof, on the one hand, pass through Melamine resin adehsive stick and making sheet, heat pressing process of the improvement for veneer dipping make wood-based plate obtained is inside and outside can be with The effective procreation for preventing microorganism such as mushroom, improves the whole antibacterial ability of wood-based plate, artificial plate surface is made to be destroyed When can also keep preferable antibacterial effect, to extend the service life of wood-based plate；On the other hand, anti-for currently on the market Microbial inoculum is selected based on natural antibacterial agent, supplemented by nontoxic inorganic antiseptic, by the synergistic effect of different antiseptics, While ensureing effective antibacterial, safety, the feature of environmental protection of long-time service are also substantially increased, has accomplished the nontoxic nothing of decomposition product Evil.
Invention content
This patent is in view of the above-mentioned problems, provide a kind of fine to density in the antibacterial of decorative faced complete process from manufacture craft Plate and preparation method thereof is tieed up, while ensureing basic mechanical performance, manufactured wood-based plate can be made to reach ideal antibiotic property.
The technical scheme is that a kind of antibacterial medium density fibre board (MDF) and preparation method thereof, including core plate and core plate two The facing paper in face, the raw material that the core plate uses each component in parts by mass, wherein including per the composition of 1m3 finished fiber plates： 700-780 parts of fiber, 150-300 parts of synvaren, 3-5 parts of coupling agent, 150-180 parts of filler, 50 parts of water, antiseptic 9-15 parts, curing agent and dosage are 10 % of synvaren；Facing paper antibacterial made from spy on the core plate two sides Type melamine resin adehsive stick impregnates.
As an improvement, it is characterized in that, the curing agent is the p-methyl benzene sulfonic chloride of 79% or more purity.
As an improvement, it is characterized in that, the antiseptic is dodecyl benzyl dimethyl ammonium chloride.
As an improvement, it is characterized in that, the filler is silica flour, montmorillonite, one or more of kaolin, solid Particle diameter is 0.01-0.1mm.
As an improvement, it is characterized in that, the synvaren, which is market, buys gained, antimicrobial form melamine tree Fat adhesive is made for laboratory.
As an improvement, it is characterized in that, the coupling agent is titanate coupling agent TMC-311.
As an improvement, it is characterized in that, the antibacterial medium density fibre board (MDF) includes the following steps：
（1）Prepare antimicrobial form melamine resin adehsive stick；
（2）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（3）150-300 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while pressing 1:3 ratio be added coupling agent and Antiseptic；
（4）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（5）By step（3）Mixed fiber stirs, molding of then mating formation；
（6）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 140 DEG C -150 DEG C, by adding Pressure makes fibre mat be consistent under stress with 12 mm finger gauge thickness, and core plate is made after continuing 20 min of hot pressing；
（7）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C -175 DEG C of temperature, pressure 6-7 MPa, 160 min of time.
As an improvement, it is characterized in that, the special antimicrobial form melamine resin adehsive stick includes following step Suddenly：
（1）165-175 parts of the formalin of 37 % is mixed and added to 5-8 parts of sodium-based montmorillonite in reactor, in PH=4 Under conditions of stir under sequentially add 50 parts of water and 8-9 parts of boraxs；
（2）150-170 parts of melamine, 0.4-0.5 parts of triethanolamine and polyvinyl alcohol 1799 are gradually added in whipping process 1.5 parts, it is heated to 95 DEG C；
（3）10-12 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5-6 parts of urea is added, and will Coupling agent, that is, volume fraction is 6-8 parts of the toluene solution and dodecyl-dimethyl amine of the γ-mercaptopropyl trimethoxysilane of 4 % 10-15 parts of second lactone is successively added step-wise in reactor, continues to stir；
（6）After 10 min be added 10-15 part of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:3 When be cooled to 70 DEG C and 50-70 parts of melamine be added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The present invention is based on natural antibacterial agent, supplemented by non-toxic inorganic antiseptic, by changing to medium density fibre board (MDF) manufacturing process Into and veneer dipping decorative paper melamine resin adehsive stick modification, be made to have and from inside and outside reach common antibacterial The antibacterial medium density fibre board (MDF) of effect and safety without toxic products.Research shows that antibacterial medium density fibre board (MDF) tool produced by the present invention There are antibacterial strength height, significant effect to obtain advantage, can simultaneously meet in QB/T 2591-2003, GB/T 11718-2009 to antibacterial Property, plank basic performance requirement, can meet special industry as hospital, pharmaceutical factory, food processing factory, entertainment for children place and often The antibacterial of building and ornament materials is required in family's living furniture.
Specific implementation mode
Embodiment 1
The preparation of antimicrobial form melamine resin adehsive stick：
（1）175 parts of the formalin of 37 % is mixed and added to 5 parts of sodium-based montmorillonite in reactor, the condition in PH=4 50 parts of water and 8 parts of boraxs are sequentially added under lower stirring；
（2）It is gradually added 1,799 1.5 parts of 150 parts of melamine, 0.4 part of triethanolamine and polyvinyl alcohol in whipping process, heats To 95 DEG C；
（3）10 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5 parts of urea is added, and will be even In 6 parts of the toluene solution and dodecyl-dimethyl amine second for joining the γ-mercaptopropyl trimethoxysilane that agent, that is, volume fraction is 4 % 15 parts of priorities of ester are added step-wise in reactor, continue to stir；
（6）After 10 min be added 10 parts of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:When 3 It is cooled to 70 DEG C and 50 parts of melamine is added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）180 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while 3 parts of coupling agent, 9 parts of antiseptic is added；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 140 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C of temperature, 6 MPa of pressure, 160 min of time.
According to QB/T 2591-2003, GB/T 11718-2009 to antibacterial medium density fibre board (MDF) made from the present embodiment Anti-microbial property and physical and mechanical property are tested, as a result as follows：
Anti-microbial property test（Table 1）
Sample treatment：Number A is the interior tablet of the sterilizing plates of diameter 90 mm or 100 mm；
Number B is the medium density fibre board (MDF) for being not added with antimicrobial component, and size is the mm of 50 mm × 50；
Number C is the medium density fibre board (MDF) for adding antimicrobial component, and size is the mm of 50 mm × 50；
Detect foundation：QB/T 2591-2003、GB/T 4789.2
Detect strain：：
I Escherichia coli（Escherichiacoli)ATCC25922
II staphylococcus aureuses (Staphylococcusa ureus) A TCC6 538
III. escherichia coli (Escherichiac oli) A TCC2 5922
IV. Friedlander's bacillus（Klebsiellapneumoniae)AS1.1736
1 testing result of table：
Special, the medium density fibre board (MDF) sample of addition antimicrobial component is taken, for testing medium density fiber intralamellar part antibiotic property, is had Steps are as follows for gymnastics work：Sample is taken, equidistant knife is respectively marked along two diagonal line of sample with knife and stitches, knife stitches spacing 5 mm, wide 1.2 mm, Deep 2.5 mm, then according to the detection method in QB/T 2591-2003,4789.2 GB/T, to treated, fiberboard resists Bacterium performance test.
2 testing result of table
Plank basic performance is tested（Table 3）
Detect foundation：GB/T 11718-2009
3 testing result of table
Embodiment 2
The preparation of antimicrobial form melamine resin adehsive stick：
（1）170 parts of the formalin of 37 % is mixed and added to 6 parts of sodium-based montmorillonite in reactor, the condition in PH=4 50 parts of water and 8.3 parts of boraxs are sequentially added under lower stirring；
（2）It is gradually added 1,799 1.5 parts of 155 parts of melamine, 0.4 part of triethanolamine and polyvinyl alcohol in whipping process, heats To 95 DEG C；
（3）10 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5 parts of urea is added, and will be even In 6 parts of the toluene solution and dodecyl-dimethyl amine second for joining the γ-mercaptopropyl trimethoxysilane that agent, that is, volume fraction is 4 % 12 parts of priorities of ester are added step-wise in reactor, continue to stir；
（6）After 10 min be added 12 parts of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:When 3 It is cooled to 70 DEG C and 55 parts of melamine is added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）200 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while 2 parts of coupling agent, 6 parts of antiseptic is added；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 145 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C of temperature, 7 MPa of pressure, 160 min of time.
Antibiotic property is carried out to 2 gained antibacterial medium density fibre board (MDF) of embodiment for reference frame with embodiment 1 after experiment Can and the test of plank basic performance, the results showed that through 2 gained antibacterial medium density fibre board (MDF) antibiotic rate of embodiment >=99 %, have strong Antibacterial effect, plank basic performance also comply with corresponding standard.Special, to density in gained antibacterial after plank progress slot processing The % of fiberboard antibiotic rate >=90, is also known as also can reach extraordinary antibacterial effect when plate surface wrecks.
Embodiment 3
The preparation of antimicrobial form melamine resin adehsive stick：
（1）170 parts of the formalin of 37 % is mixed and added to 6 parts of sodium-based montmorillonite in reactor, the condition in PH=4 50 parts of water and 8.3 parts of boraxs are sequentially added under lower stirring；
（2）It is gradually added 1,799 1.5 parts of 155 parts of melamine, 0.4 part of triethanolamine and polyvinyl alcohol in whipping process, heats To 95 DEG C；
（3）40 min are cooled to 80 DEG C and continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5 parts of urea is added, and will be even In 6 parts of the toluene solution and dodecyl-dimethyl amine second for joining the γ-mercaptopropyl trimethoxysilane that agent, that is, volume fraction is 4 % 12 parts of priorities of ester are added step-wise in reactor, continue to stir；
（6）After 10 min be added 12 parts of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:When 3 It is cooled to 70 DEG C and 55 parts of melamine is added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）200 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while 2 parts of coupling agent, 6 parts of antiseptic is added；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 145 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C of temperature, 7 MPa of pressure, 160 min of time.
Antibiotic property is carried out to 3 gained antibacterial medium density fibre board (MDF) of embodiment for reference frame with embodiment 1 after experiment It can be with the test of plank basic performance, the results showed that through 3 gained antibacterial medium density fibre board (MDF) antibiotic rate >=90% of embodiment, have anti- Bacterium effect, plank basic performance also comply with corresponding standard.Special, it is fine to density in gained antibacterial after plank progress slot processing The % of plate antibiotic rate >=90 is tieed up, is also known as also can reach extraordinary antibacterial effect when plate surface wrecks.
Embodiment 4
The preparation of antimicrobial form melamine resin adehsive stick：
（1）170 parts of the formalin of 37 % is mixed and added to 6 parts of sodium-based montmorillonite in reactor, the condition in PH=4 50 parts of water and 8.3 parts of boraxs are sequentially added under lower stirring；
（2）It is gradually added 1,799 1.5 parts of 155 parts of melamine, 0.4 part of triethanolamine and polyvinyl alcohol in whipping process, heats To 95 DEG C；
（3）10 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5 parts of urea is added and continues Stirring；
（6）After 10 min be added 12 parts of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:When 3 It is cooled to 70 DEG C and 55 parts of melamine is added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）200 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while 2 parts of coupling agent, 6 parts of antiseptic is added；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 145 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C of temperature, 7 MPa of pressure, 160 min of time.
Antibiotic property is carried out to 4 gained antibacterial medium density fibre board (MDF) of embodiment for reference frame with embodiment 1 after experiment Can and the test of plank basic performance, the results showed that through 4 gained antibacterial medium density fibre board (MDF) antibiotic rate >=95% of embodiment, have compared with Strong antibacterial effect, plank basic performance also comply with corresponding standard.Special, in gained antibacterial after plank progress slot processing The % of density fiber board antibiotic rate >=90, is also known as also can reach extraordinary antibacterial effect when plate surface wrecks.
Embodiment 5
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）280 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while 3 parts of coupling agent, 9 parts of antiseptic is added；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 150 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing temperature are carried out after sticking the impregnated paper for impregnating common melamine resin adehsive stick on the two sides of core plate 175 DEG C of degree, 6 MPa of pressure, 160 min of time；
（7）The common melamine resin adehsive is viscous to be bought in market.
Antibiotic property is carried out to 5 gained antibacterial medium density fibre board (MDF) of embodiment for reference frame with embodiment 1 after experiment Can and the test of plank basic performance, the results showed that through 5 gained antibacterial medium density fibre board (MDF) antibiotic rate ＞ 70% of embodiment, and≤85 Requirement in %, not up to standard QB/T 2591-2003 to antibacterial effect.Special, to gained after plank progress slot processing The % of antibacterial medium density fibre board (MDF) antibiotic rate >=92 is also known as also can reach extraordinary antibacterial effect when plate surface wrecks Fruit.
Embodiment 6
The preparation of antimicrobial form melamine resin adehsive stick：
（1）160 parts of the formalin of 37 % is mixed and added to 8 parts of sodium-based montmorillonite in reactor, the condition in PH=4 50 parts of water and 8.8 parts of boraxs are sequentially added under lower stirring；
（2）It is gradually added 1,799 1.5 parts of 170 parts of melamine, 0.5 part of triethanolamine and polyvinyl alcohol in whipping process, heats To 95 DEG C；
（3）10 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5 parts of urea is added, and will be even In 8 parts of the toluene solution and dodecyl-dimethyl amine second for joining the γ-mercaptopropyl trimethoxysilane that agent, that is, volume fraction is 4 % 14 parts of priorities of ester are added step-wise in reactor, continue to stir；
（6）After 10 min be added 14 parts of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:When 3 It is cooled to 70 DEG C and 65 parts of melamine is added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for 4.5 % of total number is added；
（8）After reaction, 25 DEG C are cooled to, and is stored by the sieve of 100-200 mesh/cm2.
The antibacterial medium density fibre board (MDF) includes the following steps：
（1）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（2）180 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate；
（3）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（4）By step（3）Mixed fiber stirs, molding of then mating formation；
（5）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 150 DEG C, makes fiber by pressurization Slab is consistent with 12 mm finger gauge thickness under stress, and core plate is made after continuing 20 min of hot pressing；
（6）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 175 DEG C of temperature, 6 MPa of pressure, 160 min of time.
Antibiotic property is carried out to 6 gained antibacterial medium density fibre board (MDF) of embodiment for reference frame with embodiment 1 after experiment Can and the test of plank basic performance, the results showed that through 5 gained antibacterial medium density fibre board (MDF) antibiotic rate of embodiment >=90 %, reach mark Requirement in quasi- QB/T 2591-2003 to antibacterial effect.Special, to density in gained antibacterial after plank progress slot processing 50 % of fiberboard antibiotic rate ＞, and≤75%, it is also known as the antibacterial effect when plate surface wrecks and loses substantially.
Above-mentioned be embodiment be only the preferred embodiment of the present invention, cannot limit the scope of protection of the invention, ability The variation and replacement for any unsubstantiality that the technical staff in domain is done on the basis of the present invention belong to required by the present invention The range of protection.

Claims (8)

1. a kind of antibacterial medium density fibre board (MDF) and preparation method thereof, includes the facing paper of core plate and core plate two sides, feature exists In, the raw material that the core plate uses each component in parts by mass, wherein including per the composition of 1m3 finished fiber plates：Fiber 700- 780 parts, 150-300 parts of synvaren, 3-5 parts of coupling agent, 150-180 parts of filler, 50 parts of water, 9-15 parts of antiseptic, Curing agent and dosage are the 10% of synvaren；The facing paper on the core plate two sides is glued by antibacterial melamine resin adehsive Agent impregnates.
2. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, it is characterised in that：The solidification Agent is the p-methyl benzene sulfonic chloride of 79 % or more of purity.
3. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, it is characterised in that：The core plate The middle antiseptic used is dodecyl benzyl dimethyl ammonium chloride.
4. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, it is characterised in that：The filler For one or more of silica flour, montmorillonite, kaolin, Solids Particle Diameter 0.01-0.1mm.
5. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, it is characterised in that：The phenolic aldehyde Resin adhesive is market purchase gained, and antibacterial melamine resin adehsive stick is made for laboratory.
6. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, it is characterised in that：The coupling Agent is titanate coupling agent TMC-311.
7. according to a kind of antibacterial medium density fibre board (MDF) and preparation method thereof described in claim 1, it is characterised in that including following Step：
（1）Prepare antimicrobial form melamine resin adehsive stick；
（2）Raw material is proportionally weighed, while spare fiber being sent into dry kiln and dries fiber moisture in 4 %-5 %；
（3）150-300 parts of modified phenolic adhesive is added according to every 1m3 finished fibers plate, while according to 1:3 are added 3-5 parts of coupling agent With 9-15 parts of antiseptic；
（4）Filler and fiber are sufficiently mixed 30 min in 60 DEG C of air blast oscillator, then and step（2）Gained mixes；
（5）By step（3）Mixed fiber stirs, molding of then mating formation；
（6）The fibre blend paved is sent into hot press and carries out hot pressing, hot pressing temperature is 140 DEG C -150 DEG C, by adding Pressure makes fibre mat be consistent under stress with 12 mm finger gauge thickness, and core plate is made after continuing 20 min of hot pressing；
（7）Hot pressing, hot pressing are carried out after sticking the impregnated paper for impregnating antimicrobial form melamine resin adehsive stick on the two sides of core plate 170 DEG C -175 DEG C of temperature, pressure 6-7 MPa, 160 min of time.
8. a kind of antibacterial medium density fibre board (MDF) according to claim 1 and preparation method thereof, which is characterized in that antibacterial trimerization Melamine resin adhesive uses following preparation process：
（1）165-175 parts of the formalin of 37 % is mixed and added to 5-8 parts of sodium-based montmorillonite in reactor, in PH=4 Under conditions of stir under sequentially add 50 parts of water and 8-9 parts of boraxs；
（2）150-170 parts of melamine, 0.4-0.5 parts of triethanolamine and polyvinyl alcohol 1799 are gradually added in whipping process 1.5 parts, it is heated to 95 DEG C；
（3）10-12 parts of 20 nm nanometer-level silvers are added after 40 min, while being cooled to 80 DEG C, continue to stir；
（4）The NaOH solution of 20 % is added after 80 min；
（5）Start to measure turbidity after 5 min, when appearing cloudy precipitate in 15 DEG C of cold water, 5-6 parts of urea is added, and will Coupling agent, that is, volume fraction is 6-8 parts of the toluene solution and dodecyl-dimethyl amine of the γ-mercaptopropyl trimethoxysilane of 4 % 10-15 parts of second lactone is successively added step-wise in reactor, continues to stir；
（6）After 10 min be added 10-15 part of ethylene glycol, under the conditions of 80 DEG C insulation reaction in 20 DEG C of water dilution be 1:3 When be cooled to 70 DEG C and 50-70 parts of melamine be added, continue to stir；
（7）When poor 15 min reaches reaction end, the urea for accounting for total number 4.5% is added；
（8）After reaction, 25 DEG C are cooled to, and passes through 100-200 mesh/cm2Sieve storage.
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Publication number Priority date Publication date Assignee Title
CN111590700A (en) * 2020-04-30 2020-08-28 新沂市甜浩木业有限公司 High-strength composite board with antibacterial and mildew-proof functions and production method thereof
CN112207925A (en) * 2020-10-12 2021-01-12 北华大学 Mildew-proof antibacterial ultrathin density board and preparation method thereof
CN112388795A (en) * 2020-07-29 2021-02-23 北京林业大学 Aldehyde-free antibacterial bamboo straw composite substrate and preparation method thereof

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CN101348699A (en) * 2008-08-29 2009-01-21 大亚科技股份有限公司 Synthetic resin adhesive for E0/E1 level shaving board
CN101733983A (en) * 2009-12-08 2010-06-16 德华兔宝宝装饰新材股份有限公司 Inorganic nano-silver mildew-proof antibacterial healthy decorative veneer and manufacturing method thereof
CN102700211A (en) * 2012-06-19 2012-10-03 常州市天润木业有限公司 Antibacterial and mould-proof compact grade laminate and preparation method of antibacterial and mould-proof compact grade laminate

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CN101348699A (en) * 2008-08-29 2009-01-21 大亚科技股份有限公司 Synthetic resin adhesive for E0/E1 level shaving board
CN101733983A (en) * 2009-12-08 2010-06-16 德华兔宝宝装饰新材股份有限公司 Inorganic nano-silver mildew-proof antibacterial healthy decorative veneer and manufacturing method thereof
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111590700A (en) * 2020-04-30 2020-08-28 新沂市甜浩木业有限公司 High-strength composite board with antibacterial and mildew-proof functions and production method thereof
CN111590700B (en) * 2020-04-30 2022-05-13 新沂市甜浩木业有限公司 High-strength composite board with antibacterial and mildew-proof functions and production method thereof
CN112388795A (en) * 2020-07-29 2021-02-23 北京林业大学 Aldehyde-free antibacterial bamboo straw composite substrate and preparation method thereof
CN112207925A (en) * 2020-10-12 2021-01-12 北华大学 Mildew-proof antibacterial ultrathin density board and preparation method thereof

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