CN106380882A - Mould-proof and moth-proof wood plastic sheet for experimental table and preparation method thereof - Google Patents
Mould-proof and moth-proof wood plastic sheet for experimental table and preparation method thereof Download PDFInfo
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- CN106380882A CN106380882A CN201610788889.3A CN201610788889A CN106380882A CN 106380882 A CN106380882 A CN 106380882A CN 201610788889 A CN201610788889 A CN 201610788889A CN 106380882 A CN106380882 A CN 106380882A
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- moth
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/34—Monomers containing two or more unsaturated aliphatic radicals
- C08F212/36—Divinylbenzene
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
A mould-proof and moth-proof wood plastic sheet for an experimental table is characterized by being prepared from the following raw materials: wood flour, a rice husk powder, glycidyl methacrylate, polyvinyl alcohol, divinyl benzene, azodiisobutyronitrile, sodium hexametaphosphate, a nano zinc oxide powder, a silver nitrate solution, zinc stearate, butyl rubber, sodium stearate, zinc diethyl dithiocarbamate, N,N-dimethyl formamide, and dihydroxy acyl ethylene titanate. The wood plastic sheet has the characteristics of water prevention, flame retardancy, acid and alkali resistance, moth proofing, zero formaldehyde emission and the like, and the surface is quite smooth, high in hardness, and not easy to scratch.
Description
Technical field
The invention belongs to advanced composite material (ACM) technology and in particular to a kind of Wood plastic boards of the anti-mould and anti-moth of laboratory table and
Its preparation method.
Background technology
Wood plastic composite (WPC) is a kind of new environmental protection composite, typically take polyethylene (PE), poly- third
The reclaimed materials of alkene (PP), acrylonitrile/butadiene/pentaerythritol triacrylate copolymer (ABS), polrvinyl chloride (PVC) etc. with
The waste and scrap that processed is crossed is mixed with certain proportion, adds special auxiliary agent, makes structural shape after high temperature high pressure process.
Wood plastic composite has many advantages：1. acid and alkali-resistance, chemicals-resistant, resistance to salt water are good；2. can use at low temperature；3. resistance to
Ultraviolet light；4. imputrescibility, will not ftracture or warpage etc.；And it is good mechanical property, low price, easy to process, recyclable etc.
Feature.
Author's Hao Jianxiu etc. exists《Using elastic body toughening wood powder/HDPE composite》In one literary composition, for improving wood plastics composite
The toughness of material, in wood powder/high density polyethylene (HDPE)（WF/HDPE）3 kinds of elastomers are introduced in composite preparation process：Polyene
Olefin elastomer（POE）, elastomer-modified polyethylene（BPB）Polyolefin elastomer with graft modification（A669）, make the glutinous of substrate
Property feature becomes apparent from, and reduces the degree of crystallinity of plastic matrix, increased crystallite dimension, improves the interface between plastics and WF
In conjunction with thus reaching toughness reinforcing purpose.
Content of the invention
It is an object of the invention to provide a kind of abundant raw material source, product have the reality of excellent machinability and mechanical property
Test Wood plastic boards of anti-mould and anti-moth of platform and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is as follows：
A kind of mould plate material of the anti-mould and anti-moth of laboratory table is it is characterised in that it is prepared from by the raw material of following weight portion：Wood
500 parts of powder, powdered rice hulls 40-50 part, glycidyl methacrylate 20-30 part, polyvinyl alcohol 20-25 part, divinylbenzene
120-150 part, azodiisobutyronitrile 2-3 part, sodium hexameta phosphate 5-6 part, nano zinc oxide powder 15-20 part, silver nitrate solution 20-
25 parts, zinc stearate 5-6 part, butyl rubber 70-80 part, sodium stearate 5-6 part, (DDC)2Zn 3-5 part,
N,N-dimethylformamide 5-6 part, two hydroxy acyl second two support titanate esters 6-8 part, appropriate deionized water.
The Wood plastic boards of the anti-mould and anti-moth of described laboratory table are it is characterised in that it is prepared from by following steps：
（1）By glycidyl methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to polyvinyl alcohol weight part 4-5
Times deionized water be mixed and stirred for 30-40min make biphase fully dispersed, heating make temperature of reaction system be raised to 60-80 DEG C, with
When be passed through nitrogen, add azodiisobutyronitrile in logical nitrogen, 60-80 DEG C of stirring reaction 4-5h of constant temperature under nitrogen protection, then
It is warming up to 80-100 DEG C of reaction 4-5h, add the powdered rice hulls pulverized in advance, 120-130 DEG C of stirring reaction 8-10h, cool down to
Room temperature, vacuum distillation removes solvent, is dried, obtains modified powdered rice hulls；
（2）Sodium hexametaphosphate is added in the deionized water being equivalent to 80-100 times of sodium hexameta phosphate weight portion, stir to
It is completely dissolved；Add nanometer Zinc oxide powder, ultrasound wave disperses 40-50min, add silver nitrate solution, adjust the pH of solution
It is worth between 7-8, mechanical agitation 1-2h in 35-40 DEG C of water-bath；Washing, filtration, then 80-120 DEG C in thermostatic drying chamber
3-4h is dried；Put in chamber type electric resistance furnace roasting 2-4h at 600-800 DEG C, take out and grind the powder making 80-100 mesh,
Be equivalent to the powder after adding roasting to grind in the deionized water of 8-10 times of nano zine oxide weight portion, add zinc stearate,
Regulation solution ph is 5-6, controls 35-40 DEG C of bath temperature, mechanical agitation 1-2h, is dried after filtration；
（3）By butyl rubber, step（2）Product, sodium stearate, (DDC)2Zn add banbury carry out
Banburying, temperature control at 135-140 DEG C about, mixing time 8-10min；By the monolayer of 20-40 mesh of the material after banburying
Iron net filters, and filter glue temperature control is at 70-80 DEG C；Modified powdered rice hulls and DMF is added to carry out mixed glue, temperature
Control in the range of 95-105 DEG C, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, two hydroxy acyl second two are supportted metatitanic acid
Ester and wood powder carry out heat refining on a mill, and temperature control is at 100-110 DEG C；By extrusion formation equipment, extrusion molding.
The Wood plastic boards of the anti-mould and anti-moth of described laboratory table are it is characterised in that the concentration of described silver nitrate solution
For 2.0-2.5mol/L.
Compared with prior art, the device have the advantages that being：
It is primary raw material that the present invention selects powdered rice hulls, wood powder and butyl rubber, and wherein powdered rice hulls are fibrous materials, and its fiber is short
Little, average length only has 0.3mm, far below the fibre length of timber；Glycidyl methacrylate is with divinylbenzene altogether
Poly-, its copolymer and butyl rubber not only have the good compatibility, and the methacrylic acid group on its molecular link can be with
There is chemical reaction in the hydroxyl on powdered rice hulls surface, define a kind of nonpolar surface structure, this structure on powdered rice hulls surface
Certain lubrication can be played in producing wood plastic composite extrusion, and the product extruded is extruded than single wood powder
Product more closely knit, structure is tightr；The present invention adds the powdered rice hulls of abundant raw material source can save timber, beneficial to environmental protection；
The addition of butyl rubber, can increase heat-resisting, the resistance to ozone of Wood plastic boards, ageing-resistant, chemical-resistant resistance, and has shock-absorbing, electricity absolutely
Edge performance uses so as to be applied to laboratory environment；The present invention adds nano zine oxide, then in one layer of silver of its Surface coating
Grain, greatly strengthen the mothproof performance of antibacterial of Wood plastic boards；The Wood plastic boards of the present invention have waterproof, fire-retardant, acid and alkali-resistance, insect protected
The features such as moth, zero formaldehyde emissions, and surface unusual light, hardness height is it is not easy to there be cut.
Specific embodiment
The mould plate material of the anti-mould and anti-moth of the laboratory table of the present embodiment, it is prepared from by the raw material of following weight portion：Wood
500 parts of powder, 50 parts of powdered rice hulls, 30 parts of glycidyl methacrylate, 25 parts of polyvinyl alcohol, 150 parts of divinylbenzene, azo
3 parts of bis-isobutyronitrile, 6 parts of sodium hexameta phosphate, 20 parts of nano zinc oxide powder, 25 parts of silver nitrate solution, 6 parts of zinc stearate, butyl rubber
70 parts of glue, 6 parts of sodium stearate, 5 parts of (DDC)2Zn, 5 parts of N,N-dimethylformamide, two hydroxy acyl second two
8 parts of titanate esters of support, appropriate deionized water.
The Wood plastic boards of the anti-mould and anti-moth of the laboratory table of the present embodiment, it is prepared from by following steps：
（1）By glycidyl methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to 5 times of polyvinyl alcohol weight part
Deionized water be mixed and stirred for 40min make biphase fully dispersed, heating make temperature of reaction system be raised to 80 DEG C, be passed through nitrogen simultaneously
Gas, adds azodiisobutyronitrile in logical nitrogen, 80 DEG C of stirring reactions 5h of constant temperature under nitrogen protection, then is warming up to 100 DEG C instead
Answer 5h, add the powdered rice hulls pulverized in advance, 120 DEG C of stirring reactions 10h, cool down to room temperature, vacuum distillation removes solvent, do
Dry, obtain modified powdered rice hulls；
（2）Sodium hexametaphosphate is added in the deionized water being equivalent to 100 times of sodium hexameta phosphate weight portion, stirs to complete
Dissolving；Add nanometer Zinc oxide powder, ultrasound wave disperses 50min, adds silver nitrate solution, adjust the pH value of solution to 7-8
Between, mechanical agitation 2h in 40 DEG C of water-baths；Washing, filter, then in thermostatic drying chamber 120 DEG C 4h is dried；Put into box
In resistance furnace at 800 DEG C roasting 2h, take out to grind and make the powder of 80 mesh, be equivalent to 10 times of nano zine oxide weight portion
Powder after adding roasting to grind in deionized water, adds zinc stearate, and regulation solution ph is 5-6, controls bath temperature
40 DEG C, mechanical agitation 2h, it is dried after filtration；
（3）By butyl rubber, step（2）Product, sodium stearate, (DDC)2Zn add banbury carry out
Banburying, temperature control at 140 DEG C about, mixing time 10min；Material after banburying is filtered with the monolayer iron net of 40 mesh,
Filter glue temperature control is at 80 DEG C；Add modified powdered rice hulls and DMF to carry out mixed glue, temperature control at 105 DEG C,
Then by glue dormancy 20h；By the mixed sizing material of mix homogeneously, two hydroxy acyl second two support titanate esters and wood powder carries out heat on a mill
Refining, temperature control is at 110 DEG C；By extrusion formation equipment, extrusion molding.
Performance test：
Oil resisting test：Take the sample of one piece of about 10cm*10cm, weigh, in 23 ± 2 DEG C of machine oil, soak 24h, wipe after taking-up
Dry, place 4-6h, weigh, weightening is less than or equal to 8%.
Acid resistance test：Take the sample of one piece of about 10cm*10cm, weigh, at 23 ± 2 DEG C, soak 24h in 20% sulphuric acid, take
Dry after going out, place 4-6h, weigh, weightening is less than or equal to 0.8%.
Alkali resistance test：Take the sample of one piece of about 10cm*10cm, weigh, at 23 ± 2 DEG C, soak 24h in 20% Caustic soda, take
Dry after going out, place 4-6h, weigh, weightening is less than or equal to 0.8%.
Claims (3)
1. a kind of Wood plastic boards of the anti-mould and anti-moth of laboratory table are it is characterised in that it is by the raw material preparation of following weight portion
Become：500 parts of wood powder, powdered rice hulls 40-50 part, glycidyl methacrylate 20-30 part, polyvinyl alcohol 20-25 part, divinyl
Base benzene 120-150 part, azodiisobutyronitrile 2-3 part, sodium hexameta phosphate 5-6 part, nano zinc oxide powder 15-20 part, silver nitrate are molten
Liquid 20-25 part, zinc stearate 5-6 part, butyl rubber 70-80 part, sodium stearate 5-6 part, (DDC)2Zn
3-5 part, N,N-dimethylformamide 5-6 part, two hydroxy acyl second two support titanate esters 6-8 part, appropriate deionized water.
2. the Wood plastic boards of the anti-mould and anti-moth of laboratory table according to claim 1 are it is characterised in that it is by following steps
It is prepared from：
（1）By glycidyl methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to polyvinyl alcohol weight part 4-5
Times deionized water be mixed and stirred for 30-40min make biphase fully dispersed, heating make temperature of reaction system be raised to 60-80 DEG C, with
When be passed through nitrogen, add azodiisobutyronitrile in logical nitrogen, 60-80 DEG C of stirring reaction 4-5h of constant temperature under nitrogen protection, then
It is warming up to 80-100 DEG C of reaction 4-5h, add the powdered rice hulls pulverized in advance, 120-130 DEG C of stirring reaction 8-10h, cool down to
Room temperature, vacuum distillation removes solvent, is dried, obtains modified powdered rice hulls；
（2）Sodium hexametaphosphate is added in the deionized water being equivalent to 80-100 times of sodium hexameta phosphate weight portion, stir to
It is completely dissolved；Add nanometer Zinc oxide powder, ultrasound wave disperses 40-50min, add silver nitrate solution, adjust the pH of solution
It is worth between 7-8, mechanical agitation 1-2h in 35-40 DEG C of water-bath；Washing, filtration, then 80-120 DEG C in thermostatic drying chamber
3-4h is dried；Put in chamber type electric resistance furnace roasting 2-4h at 600-800 DEG C, take out and grind the powder making 80-100 mesh,
Be equivalent to the powder after adding roasting to grind in the deionized water of 8-10 times of nano zine oxide weight portion, add zinc stearate,
Regulation solution ph is 5-6, controls 35-40 DEG C of bath temperature, mechanical agitation 1-2h, is dried after filtration；
（3）By butyl rubber, step（2）Product, sodium stearate, (DDC)2Zn add banbury carry out
Banburying, temperature control at 135-140 DEG C about, mixing time 8-10min；By the monolayer of 20-40 mesh of the material after banburying
Iron net filters, and filter glue temperature control is at 70-80 DEG C；Modified powdered rice hulls and DMF is added to carry out mixed glue, temperature
Control in the range of 95-105 DEG C, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, two hydroxy acyl second two are supportted metatitanic acid
Ester and wood powder carry out heat refining on a mill, and temperature control is at 100-110 DEG C；By extrusion formation equipment, extrusion molding.
3. the Wood plastic boards of the anti-mould and anti-moth of the laboratory table according to claim 1,2 are it is characterised in that described nitric acid
The concentration of silver-colored solution is 2.0-2.5mol/L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788889.3A CN106380882A (en) | 2016-08-31 | 2016-08-31 | Mould-proof and moth-proof wood plastic sheet for experimental table and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610788889.3A CN106380882A (en) | 2016-08-31 | 2016-08-31 | Mould-proof and moth-proof wood plastic sheet for experimental table and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106380882A true CN106380882A (en) | 2017-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610788889.3A Pending CN106380882A (en) | 2016-08-31 | 2016-08-31 | Mould-proof and moth-proof wood plastic sheet for experimental table and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320876A (en) * | 2020-04-21 | 2020-06-23 | 江苏郁林生塑木科技有限公司 | Hybrid reinforced plastic-wood composite material plate and preparation method thereof |
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|---|---|---|---|---|
| CN101020769A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Prepn process of thermoplastic wood-plastic composite material based on polyethylene vinyl acetate |
| CN102746684A (en) * | 2012-07-25 | 2012-10-24 | 江苏森诺塑胶科技有限公司 | Mildew-proof plastic-wood composite sheet and preparation method thereof |
| CN104448870A (en) * | 2014-07-05 | 2015-03-25 | 姜立平 | Preparation method of portable and movable straw sheet and plate prepared by preparation method |
-
2016
- 2016-08-31 CN CN201610788889.3A patent/CN106380882A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020769A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Prepn process of thermoplastic wood-plastic composite material based on polyethylene vinyl acetate |
| CN102746684A (en) * | 2012-07-25 | 2012-10-24 | 江苏森诺塑胶科技有限公司 | Mildew-proof plastic-wood composite sheet and preparation method thereof |
| CN104448870A (en) * | 2014-07-05 | 2015-03-25 | 姜立平 | Preparation method of portable and movable straw sheet and plate prepared by preparation method |
Non-Patent Citations (2)
| Title |
|---|
| 冀志江，等: "《硅藻泥装饰壁材》", 31 October 2014 * |
| 吴进怡，等: "《材料的生物腐蚀与防护》", 30 June 2012 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111320876A (en) * | 2020-04-21 | 2020-06-23 | 江苏郁林生塑木科技有限公司 | Hybrid reinforced plastic-wood composite material plate and preparation method thereof |
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Application publication date: 20170208 |