CN108643498A - A kind of wood-plastic decorative board material and preparation method with termite-resisting function - Google Patents

A kind of wood-plastic decorative board material and preparation method with termite-resisting function Download PDF

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CN108643498A
CN108643498A CN201810357229.9A CN201810357229A CN108643498A CN 108643498 A CN108643498 A CN 108643498A CN 201810357229 A CN201810357229 A CN 201810357229A CN 108643498 A CN108643498 A CN 108643498A
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termite
wood
parts
decorative board
chitosan
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陈庆
昝航
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Chengdu New Keli Chemical Science Co Ltd
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Chengdu New Keli Chemical Science Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00Coverings or linings, e.g. for walls or ceilings
    • E04F13/07Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E04F13/08Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements
    • E04F13/0875Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor composed of a plurality of similar covering or lining elements having a basic insulating layer and at least one covering layer
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02Making microcapsules or microballoons
    • B01J13/04Making microcapsules or microballoons by physical processes, e.g. drying, spraying
    • B01J13/043Drying and spraying
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00Chemical treatment or coating of shaped articles made of macromolecular substances
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2405/00Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/08Chitin; Chondroitin sulfate; Hyaluronic acid; Derivatives thereof

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Architecture (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Building Environments (AREA)

Abstract

The present invention relates to field of composite material preparation, disclose a kind of wood-plastic decorative board material and preparation method with termite-resisting function.Including following preparation process:(1)The compound anti-termite agent of emulsion form is prepared using Ludox, zinc borate and sulfluramid class ant killing agent;(2)Prepare chitosan/acetic acid aqueous solution;(3)Compound anti-termite agent is added in chitosan/acetic acid aqueous solution, slow-release microcapsule is made;(4)Substrate is infiltrated on dispersed lotion made from slow-release microcapsule, the substrate of load slow release microcapsules is made;(5)Foaming decoration layer is adhered to the top and bottom of substrate, you can the wood-plastic decorative board material with termite-resisting function is made.Termite-proof wood-plastic decorative board prepared by the present invention is compared with common wood-plastic decorative board, slow-release microcapsule is made by the way that compound anti-termite agent to be coated in chitosan, anticorrosion, termite-proof effect are good, and effect is held time length, Wood plastic boards service life is substantially prolonged, foreground is had a vast market.

Description

A kind of wood-plastic decorative board material and preparation method with termite-resisting function
Technical field
The present invention relates to field of composite material preparation, disclose a kind of wood-plastic decorative board material and system with termite-resisting function Preparation Method.
Background technology
Wood plastic composite loss is that the basic other materials such as material and plastics are compound with timber, and wood plastic composite is good Performance gradually approved by user cognition, be it is good to mould Dai Mu, to mould the Novel environment-friendlymaterial material of Dai Gang, most important purposes It is to substitute solid wood to apply in each field, is widely used in tooling and house ornamentation.Small, acid and alkali-resistance is polluted because it has, is prevented Water, the features such as anticorrosive, intensity is high, recyclable, using natural fiber-filled in enhancing in thermoplastic material, pass through high temperature and pressure Compression moulding is squeezed out, non-toxic and tasteless, using rear renewable, application range is extremely wide.
Although existing Wood plastic boards structure is good, easy to use, there are many excellent characteristics in use, have stronger Decoration function, but wood moulding functionality currently on the market is more single, and the protuberance that makes moist is easy during prolonged use, And easily eat into, smell is more unpleasant, and the plank president mould in wet environment, and mould can not only corrode plank, and people lives in mould Health can be influenced in collarium border.When for dalle, it is highly prone to worm ant and bites sting, influence structural behaviour and appearance.
Now widely used termite-proof agent has inorganic and two kinds organic:Inorganic antitermite agent is mainly zinc borate substance, Cheap, additive amount is low not to have ant proof effect, adding too much product mechanical property degradation;Organic antitermite agent effect (Such as pyrethroids class, sulfluramid class ant killing agent)Obviously, active matter is destroyed under wood moulding process high temperature high pressure.By termite-proof Agent and the combination of wood-plastic decorating material are increasingly paid attention to by people, have made certain gains.
Chinese invention patent application number 201510530473.7 discloses a kind of wall decoration use with termite-resisting function PVC wood plastic plank is made of the raw material of following parts by weight:30 ~ 40 parts of wood powder, 10 ~ 20 parts of butyl acrylate, benzoyl peroxide 0.02 ~ 0.03 part of formyl, N, 0.01 ~ 0.02 part of N ~ dimethylaniline, 3 ~ 4 parts of polyethylene wax, thiodipropionic acid dilauryl cinnamic acid ester 1 ~ 1.2 parts, 1.5 ~ 2 parts of calcium stearate, 95 ~ 100 parts of polyvinyl chloride, 2 ~ 3 parts of AC foaming agents, cell modifiers ACR5301 ~ 2 part, 6 ~ 8 parts of haloflex, 0.5 ~ 0.7 part of pyrethrins, 3 ~ 4 parts of nm boehmite, 2 ~ 3 parts of high boron line borate, nano-silver powder 0.4 ~ 0.6 part, silane coupling agent kh5700.2 ~ 0.3 part;The preparation method of the invention is simple, and production cost is low, termite resistance and resistance Combustion property is good, and market prospects are good, and service life is long, is suitable for promoting and applying in building decoration area.
Chinese invention patent application number 201710725767.4 discloses a kind of wood and plastic composite that termite-proof type is ageing-resistant Material includes following component by weight:40 ~ 65 parts of PE plastics, 35 ~ 45 parts of sisal fiber, 5 ~ 8 parts of metofluthrin, polyphenyl 3.5 ~ 4.5 parts of ether, 2 ~ 3 parts of styrax, 4 ~ 6 parts of mica powder, 2.0 ~ 2.5 parts of zinc borate, 5.5 ~ 7.5 parts of asbestos, walnut shell powder 5 ~ 7 Part, 8 ~ 10 parts of camphorwood powder, 6 ~ 8 parts of ginkgo leaf, 6 ~ 8 parts of Ji Jing Aralias wood powder, 0.1 ~ 0.2 part of eaglewood powder, 3 ~ hydroxybenzoic acid 4 ~ 6 Part, 1 ~ 2 part of sulfated lauryl alcohol, 4 ~ 6 parts of plant saponin, 0.1 ~ 0.2 part of terpinol, 1 ~ 3 part of white glue with vinyl.The invention is termite-proof The characteristics of type wood plastic composite comprehensive inorganic organic two kinds of antitermite agent, make wood plastic composite can not only termite-proof can also be right Termite has certain killing effect, and ant proof effect is lasting, has the characteristics that ageing-resistant anti-cold short, anti-corrosion, mould proof, indoor, family It can be used outside, it is anti-aging, it will not cracking deformation.
According to above-mentioned, wood moulding antitermite product introduces antitermite mainly by simply adding corresponding antitermite agent in existing scheme Effect, it is ineffective that there are ant proofs, and ant proof persistence is short, causes insect prevention, termite-proof effect to have a greatly reduced quality, reduced service life The problems such as, therefore, there is an urgent need for find it is a kind of can protect insect prevention, termite-proof drug and the technique to prolong the service life, the present invention proposes A kind of wood-plastic decorative board material and preparation method with termite-resisting function, can effectively solve above-mentioned technical problem.
Invention content
Exist mainly by simply adding corresponding antitermite agent using wider wood moulding antitermite product at present and introduce antitermite effect Fruit, it is ineffective that there are ant proofs, and ant proof persistence is short, causes insect prevention, termite-proof effect to have a greatly reduced quality, reduced service life etc. Problem.
To solve the above problems, the present invention uses following technical scheme:
A kind of preparation method of the wood-plastic decorative board material with termite-resisting function, the detailed process of preparation are:
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 6 ~ 10h, it is dry, the substrate of load slow release microcapsules is made;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function.
Preferably, step(1)In the compound anti-termite agent of emulsion form, by weight, wherein:77 ~ 86 parts of Ludox, 4 ~ 8 parts of zinc borate, 10 ~ 15 parts of sulfluramid class ant killing agent.The colloidal sol that Ludox is prepared for silicon source, dioxide-containing silica 5-10%, It has excellent microporous properties after drying, and is conducive to fixed sulfluramid class ant killing agent.
Preferably, step(2)In the chitosan/acetic acid aqueous solution, by weight, wherein:25 ~ 32 parts of chitosan, 10 ~ 15 parts of acetic acid, 53 ~ 65 parts of water.
Preferably, step(3)In the mixture, by weight, wherein:70 ~ 80 parts of the compound anti-termite agent of emulsion form, 20 ~ 30 parts of chitosan/acetic acid aqueous solution.
Preferably, step(3)The cryogenic temperature of the freeze-drying is -20 ~ -10 DEG C, and vacuum degree is 1.1 ~ 1.4Pa.
Preferably, step(4)The substrate be wood plastics composite substrate, woody part be lignose or plant cellulose, Parts of plastics is at least one of polyethylene, polypropylene, polyvinyl chloride.
Preferably, step(4)The mass fraction of slow-release microcapsule in the dispersibility lotion is 25 ~ 40%.
Preferably, step(5)The adhesives is one kind in epoxy resin adhesive, silicone adhesives.
Preferably, step(5)The foaming decoration layer be foamed polypropylene layer, thickness be 1 ~ 4mm, coefficient of foaming be 20 ~ 30 times.
A kind of wood-plastic decorative board material with termite-resisting function being prepared by the above method, mainly first in Ludox Middle addition zinc borate and sulfluramid class ant killing agent are hybridly prepared into the compound anti-termite agent of emulsion form, then prepare chitosan/acetic acid water Anti-termite agent is uniformly mixed by solution with chitosan/acetic acid aqueous solution, and the freeze-dried sustained release that load anti-termite agent is made is micro- Capsule, then by substrate infiltration a few hours in the dispersed lotion containing slow-release microcapsule made from extrusion, it again will foaming after dry Decorative layer is fixed on substrate upper and lower surface by adhesives, obtains the outdoor decoration composite board with termite-resisting function.It is logical It crosses compound anti-termite agent being coated in chitosan and slow-release microcapsule is made impregnates, wood moulding substrate surface is made to reach anti-corrosion It loses, is termite-proof and other effects for a long time, and efficiently solving the problems, such as that anti-termite agent is vulnerable, service life being substantially prolonged, big Amount has a vast market foreground using the furnishing fields of Wood plastic boards.
Termite is put into closed space, the termite of wood-plastic decorative board material prepared by the test present invention, which eats into, loses phenomenon, and with Common wood-plastic decorative board compares, and method of the invention has a clear superiority, as shown in table 1.
Table 1:
The present invention provides a kind of wood-plastic decorative board materials and preparation method with termite-resisting function, compared with prior art, Prominent feature and excellent effect are:
1, the method that the wood-plastic decorative board material with termite-resisting function is prepared using the compound anti-termite agent of Chitosan-coated is proposed.
2, by be added in wood plastics composite decorative panel zinc borate and sulfluramid class ant killing agent be hybridly prepared into it is compound anti-white Ant agent, anticorrosion, termite-proof effect are good.
3, it slow-release microcapsule is made impregnates by the way that compound anti-termite agent to be coated in chitosan, efficiently solve anti- The vulnerable problem of agent of termite, substantially prolongs service life, and foreground is had a vast market in the furnishing fields of Wood plastic boards.
Specific implementation mode
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention Range be only limitted to example below.Without departing from the idea of the above method of the present invention, according to ordinary skill The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:80 parts of Ludox, 7 parts of zinc borate, 13 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:29 parts of chitosan, 13 parts of acetic acid, 58 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -16 DEG C, vacuum degree 1.3Pa;In mixture, by weight, wherein:76 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 24 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 9h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, and woody part is Lignose, parts of plastics are polyethylene, polypropylene;The mass fraction of slow-release microcapsule in dispersed lotion is 32%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is epoxy resin adhesive;Foaming decoration layer is hair Foaming polypropylene layer, thickness 3mm, coefficient of foaming are 26 times.
Termite-proof wood-plastic decorative board made from embodiment 1, termite moth erosion phenomenon are as shown in table 2.
Embodiment 2
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:83 parts of Ludox, 5 parts of zinc borate, 12 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:27 parts of chitosan, 13 parts of acetic acid, 60 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -18 DEG C, vacuum degree 1.2Pa;In mixture, by weight, wherein:72 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 28 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 7h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, and woody part is Plant cellulose, parts of plastics are polypropylene;The mass fraction of slow-release microcapsule in dispersed lotion is 28%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is silicone adhesives;Foaming decoration layer is foaming Polypropylene layer, thickness 2mm, coefficient of foaming are 22 times.
Termite-proof wood-plastic decorative board made from embodiment 2, termite moth erosion phenomenon are as shown in table 2.
Embodiment 3
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:79 parts of Ludox, 7 parts of zinc borate, 14 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:31 parts of chitosan, 14 parts of acetic acid, 56 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -12 DEG C, vacuum degree 1.3Pa;In mixture, by weight, wherein:77 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 23 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 9h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, and woody part is Lignose, parts of plastics are;The mass fraction of slow-release microcapsule in dispersed lotion is 38%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is epoxy resin adhesive;Foaming decoration layer is hair Foaming polypropylene layer, thickness 3mm, coefficient of foaming are 29 times.
Termite-proof wood-plastic decorative board made from embodiment 3, termite moth erosion phenomenon are as shown in table 2.
Embodiment 4
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:86 parts of Ludox, 4 parts of zinc borate, 10 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:25 parts of chitosan, 10 parts of acetic acid, 65 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -20 DEG C, vacuum degree 1.1Pa;In mixture, by weight, wherein:70 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 30 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 6h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, and woody part is Plant cellulose, parts of plastics are polyethylene;The mass fraction of slow-release microcapsule in dispersed lotion is 25%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is silicone adhesives;Foaming decoration layer is foaming Polypropylene layer, thickness 1mm, coefficient of foaming are 20 times.
Termite-proof wood-plastic decorative board made from embodiment 4, termite moth erosion phenomenon are as shown in table 2.
Embodiment 5
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:77 parts of Ludox, 8 parts of zinc borate, 15 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:32 parts of chitosan, 15 parts of acetic acid, 53 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -10 DEG C, vacuum degree 1.4Pa;In mixture, by weight, wherein:80 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 20 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 10h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, woody part For lignose, parts of plastics is polypropylene;The mass fraction of slow-release microcapsule in dispersed lotion is 40%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is epoxy resin adhesive;Foaming decoration layer is hair Foaming polypropylene layer, thickness 4mm, coefficient of foaming are 30 times.
Termite-proof wood-plastic decorative board made from embodiment 5, termite moth erosion phenomenon are as shown in table 2.
Embodiment 6
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:82 parts of Ludox, 6 parts of zinc borate, 12 parts of sulfluramid class ant killing agent;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;In chitosan/acetic acid aqueous solution, by weight Part meter, wherein:30 parts of chitosan, 13 parts of acetic acid, 57 parts of water;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;The cryogenic temperature of freeze-drying is -15 DEG C, vacuum degree 1.2Pa;In mixture, by weight, wherein:75 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid 25 parts of aqueous solution;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 8h, it is dry, the substrate of load slow release microcapsules is made;Substrate is wood plastics composite substrate, and woody part is Plant cellulose, parts of plastics are polyvinyl chloride;The mass fraction of slow-release microcapsule in dispersed lotion is 35%;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is silicone adhesives;Foaming decoration layer is foaming Polypropylene layer, thickness 2mm, coefficient of foaming are 25 times.
Termite-proof wood-plastic decorative board made from embodiment 6, termite moth erosion phenomenon are as shown in table 2.
Comparative example 1
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;Breast In the compound anti-termite agent of liquid, by weight, wherein:82 parts of Ludox, 6 parts of zinc borate, 12 parts of sulfluramid class ant killing agent;
(2)By step(1)Dispersed lotion is made in compound anti-termite agent obtained, by substrate infiltration made from extrusion in dispersibility In lotion, substrate is taken out after 8h, it is dry, the substrate of load anti-termite agent is made;Substrate is wood plastics composite substrate, and woody part is Plant cellulose, parts of plastics are polyvinyl chloride;The mass fraction of compound anti-termite agent in dispersed lotion is 35%;
(3)In step(2)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function;Adhesives is silicone adhesives;Foaming decoration layer is foaming Polypropylene layer, thickness 2mm, coefficient of foaming are 25 times.
The 1 compound anti-termite agent of unused Chitosan-coated of comparative example, termite-proof wood-plastic decorative board obtained, termite moth erosion are existing As shown in table 2.
The test method of above-mentioned performance indicator is:
The square sample that the length of side is 150mm is made in wood-plastic decorative board produced by the present invention, it is fully dry at room temperature;It takes and washes Only, the glass test vessel after drying, is put into river sand, wood-plastic decorative board sample is put into wherein;5g termites are then placed in, wherein Soldier ant is no more than 10%, if young ant and ant are no more than 5%;Test chamber is placed in 26 DEG C, in the environment of relative humidity 75%, carries out 8 The experiment in week, observation plaque surface termite moth erosion phenomenon, characterizes the termite-proof effect of wood-plastic decorative board material.
Table 2:

Claims (10)

1. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function, which is characterized in that the detailed process of preparation is:
(1)Zinc borate and sulfluramid class ant killing agent are added in Ludox, mixing is configured to the compound anti-termite agent of emulsion form;
(2)Chitosan, acetic acid are added to the water, chitosan/acetic acid aqueous solution is made;
(3)By step(1)Step is added in the compound anti-termite agent of emulsion form obtained(2)In chitosan/acetic acid aqueous solution obtained, It is uniformly mixed, the slow-release microcapsule of Chitosan-coated anti-termite agent is made in freeze-drying;
(4)By step(3)Dispersed lotion is made in slow-release microcapsule obtained, by substrate infiltration made from extrusion in dispersed breast In liquid, substrate is taken out after 6 ~ 10h, it is dry, the substrate of load slow release microcapsules is made;
(5)In step(4)Substrate upper and lower surface coat adhesives, foaming decoration layer is fixed on substrate upper and lower surface, It can be prepared by the wood-plastic decorative board material with termite-resisting function.
2. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(1)In the compound anti-termite agent of emulsion form, by weight, wherein:77 ~ 86 parts of Ludox, 4 ~ 8 parts of zinc borate, fluorine 10 ~ 15 parts of worm amine ant killing agent.
3. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(2)In the chitosan/acetic acid aqueous solution, by weight, wherein:25 ~ 32 parts of chitosan, 10 ~ 15 parts of acetic acid, water 53 ~ 65 parts.
4. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(3)In the mixture, by weight, wherein:70 ~ 80 parts of the compound anti-termite agent of emulsion form, chitosan/acetic acid are water-soluble 20 ~ 30 parts of liquid.
5. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(3)The cryogenic temperature of the freeze-drying is -20 ~ -10 DEG C, and vacuum degree is 1.1 ~ 1.4Pa.
6. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(4)The substrate is wood plastics composite substrate, and woody part is lignose or plant cellulose, and parts of plastics is poly- second At least one of alkene, polypropylene, polyvinyl chloride.
7. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(4)The mass fraction of slow-release microcapsule in the dispersibility lotion is 25 ~ 40%.
8. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(5)The adhesives is one kind in epoxy resin adhesive, silicone adhesives.
9. a kind of preparation method of the wood-plastic decorative board material with termite-resisting function according to claim 1, it is characterised in that: Step(5)The foaming decoration layer is foamed polypropylene layer, and thickness is 1 ~ 4mm, and coefficient of foaming is 20 ~ 30 times.
10. a kind of wood-plastic decorative board material with termite-resisting function that any one of claim 1 ~ 9 the method is prepared.
CN201810357229.9A 2018-04-20 2018-04-20 A kind of wood-plastic decorative board material and preparation method with termite-resisting function Pending CN108643498A (en)

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