CN106280525A - Wood plastic boards of self-cleaning surface a kind of of laboratory table and preparation method thereof - Google Patents
Wood plastic boards of self-cleaning surface a kind of of laboratory table and preparation method thereof Download PDFInfo
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- CN106280525A CN106280525A CN201610781432.XA CN201610781432A CN106280525A CN 106280525 A CN106280525 A CN 106280525A CN 201610781432 A CN201610781432 A CN 201610781432A CN 106280525 A CN106280525 A CN 106280525A
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- Prior art keywords
- rice hulls
- mesh
- powdered rice
- self
- temperature
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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
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A kind of Wood plastic boards of the self-cleaning surface of laboratory table; it is characterized in that, it is prepared from by following raw material: it is appropriate that wood powder, powdered rice hulls, butanediol double methacrylate, polyvinyl alcohol, divinylbenzene, p-methyl benzenesulfonic acid, trihydroxymethylpropanyltri diglycidyl ether, styrene, pfluorostyrene, ethyleneglycol dimethyacrylate, benzoyl peroxide, gelatin, sodium sulfate, butyl rubber, tellurium diethyl dithiocarbamate, sulfonic acid chloride, copper sulfate, two hydroxy acyl second two support titanate esters, deionized water.The Wood plastic boards of the present invention has the features such as waterproof, fire-retardant, acid and alkali-resistance, Anti-moth-eating, zero formaldehyde emissions, and surface unusual light, and hardness is high, it is not easy to have cut.
Description
Technical field
The invention belongs to advanced composite material (ACM) technology, be specifically related to the Wood plastic boards of the self-cleaning surface of a kind of laboratory table
And preparation method thereof.
Background technology
Wood plastic composite (WPC) is a kind of novel environmental protection composite, it is common that 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 mixes 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 temperatures；The most 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 Jianxius etc. are in " utilizing elastic body toughening wood powder/HDPE composite " literary composition, for improving wood plastics composite
The toughness of material, introduces 3 kinds of elastomers in wood powder/high density polyethylene (HDPE) (WF/HDPE) composite preparation process: polyene
The polyolefin elastomer (A669) of olefin elastomer (POE), elastomer-modified polyethylene (BPB) and graft modification, makes the glutinous of substrate
Property feature becomes apparent from, and reduces the degree of crystallinity of plastic matrix, adds crystallite dimension, improves the interface between plastics and WF
In conjunction with, thus reach toughness reinforcing purpose.
Summary of the invention
It is an object of the invention to provide a kind of abundant raw material source, product has excellent machinability and the reality of mechanical property
Wood plastic boards of self-cleaning surface testing platform and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of self-cleaning surface of laboratory table mould sheet material, it is characterised in that it is prepared from by the raw material of following weight portion:
Wood powder 500 parts, powdered rice hulls 40-50 part, butanediol double methacrylate 20-30 part, polyvinyl alcohol 20-25 part, divinylbenzene
120-150 part, p-methyl benzenesulfonic acid 2-3 part, trihydroxymethylpropanyltri diglycidyl ether 5-6 part, styrene 15-20 part, to fluorobenzene
Ethylene 10-12 part, ethyleneglycol dimethyacrylate 8-12 part, benzoyl peroxide 2-3 part, gelatin 6-8 part, sodium sulfate 5-6
Part, butyl rubber 70-80 part, tellurium diethyl dithiocarbamate 5-6 part, sulfonic acid chloride 3-5 part, copper sulfate 5-6 part, dihydroxy acyl
It is appropriate that base second two supports titanate esters 6-8 part, deionized water.
The Wood plastic boards of the self-cleaning surface of described laboratory table, it is characterised in that it is prepared from by following steps:
(1) by butanediol double methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to polyvinyl alcohol weight part 4-5 times
Deionized water is mixed and stirred for 30-40min to be made biphase fully dispersed, and heating makes temperature of reaction system be raised to 60-80 DEG C, leads to simultaneously
Enter nitrogen, while lead to nitrogen limit to add p-methyl benzenesulfonic acid, under nitrogen protection constant temperature 60-80 DEG C stirring reaction 4-5h, then be warming up to
80-100 DEG C of reaction 4-5h, adds the powdered rice hulls and trihydroxymethylpropanyltri diglycidyl ether pulverized in advance, and 120-130 DEG C is stirred
Mixing reaction 8-10h, cool down to room temperature, decompression is distilled off solvent, is dried, and obtains modified powdered rice hulls；
(2) by styrene, pfluorostyrene, ethyleneglycol dimethyacrylate mix homogeneously, add benzoyl peroxide, raise
Temperature to 70-80 DEG C, mix and blend 5-6h, be then added to gelatin, sodium sulfate and be equivalent to going of sodium sulfate weight portion 8-10 times
The solution of ionized water configuration, 80-90 DEG C, stirring polymerization 2-3h, 90-100 DEG C is continued stirring reaction 8-10h, obtains microspheres with solid,
Microsphere 250-300 mesh stainless steel mesh cloth is filtered, washs 5-6 time with the deionized water water of 70-90 DEG C, until non-foam goes out
Existing, it is placed in 100-130 DEG C of forced air drying 3-5h in air dry oven, respectively through 100 mesh and 200 mesh rustless steel mesh screens, screening；
(3) butyl rubber, the product of step (2), tellurium diethyl dithiocarbamate, sulfonic acid chloride are added banbury and carry out close
Refining, temperature controls at about 135-140 DEG C, banburying time 8-10min；By the monolayer ferrum of 20-40 mesh of the material after banburying
Net filtration, filter glue temperature controls at 70-80 DEG C；Adding modified powdered rice hulls and copper sulfate carries out mixed glue, temperature controls at 95-105
In the range of DEG C, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, two hydroxy acyl second two are supportted titanate esters and wood powder and opening
Carrying out heat refining on refining machine, temperature controls at 100-110 DEG C；By extrusion formation equipment, extruded.
Compared with prior art, the device have the advantages that into:
The present invention selects powdered rice hulls, wood powder and butyl rubber to be primary raw material, and wherein powdered rice hulls is fibrous material, and its fiber is short
Little, average length only has 0.3mm, far below the fibre length of timber；Butanediol double methacrylate and divinylbenzene copolymerization, its
Copolymer and butyl rubber not only have the good compatibility, and the acrylic acid groups on its molecular link can be with powdered rice hulls surface
Hydroxyl generation chemical reaction, define a kind of nonpolar surface structure on powdered rice hulls surface, this structure produce wood mould
Composite extrusion can play certain lubrication, and the product extruded is closeer than the product that single wood powder is extruded
Real, structure is tightr；The present invention adds the powdered rice hulls of abundant raw material source can save timber, beneficially environmental protection；Butyl rubber
Add, the ozone heat-resisting, resistance to of Wood plastic boards, ageing-resistant, chemical-resistant resistance can be increased, and have shock-absorbing, electrical insulation capability so that it is
It is applicable to laboratory environment use；The fluorine-containing microsphere that the present invention adds styrene, pfluorostyrene copolymerization obtains, greatly strengthen
The oleophobic performance of Wood plastic boards, oil-stain-preventing, plays the effect of self-cleaning surface；The Wood plastic boards of the present invention have waterproof, fire-retardant,
The features such as acid and alkali-resistance, Anti-moth-eating, zero formaldehyde emissions, and surface unusual light, hardness is high, it is not easy to have cut.
Detailed description of the invention
The self-cleaning surface of the laboratory table of the present embodiment mould sheet material, it is prepared from by the raw material of following weight portion:
Wood powder 500 parts, powdered rice hulls 50 parts, butanediol double methacrylate 30 parts, polyvinyl alcohol 25 parts, divinylbenzene 150 parts, to toluene
Sulfonic acid 3 parts, trihydroxymethylpropanyltri diglycidyl ether 6 parts, styrene 20 parts, pfluorostyrene 12 parts, methacrylate second
Diol ester 8 parts, benzoyl peroxide 3 parts, 8 parts of gelatin, 6 parts of sodium sulfate, butyl rubber 80 parts, diethyldithiocar bamic acid
It is appropriate that tellurium 6 parts, sulfonic acid chloride 5 parts, 6 parts of copper sulfate, two hydroxy acyl second two support titanate esters 8 parts, deionized water.
The Wood plastic boards of the self-cleaning surface of the laboratory table of the present embodiment, it is prepared from by following steps:
(1) by butanediol double methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to going of polyvinyl alcohol weight part 5 times
Ionized water is mixed and stirred for 40min to be made biphase fully dispersed, and heating makes temperature of reaction system be raised to 80 DEG C, is passed through nitrogen simultaneously,
While lead to nitrogen limit to add p-methyl benzenesulfonic acid, under nitrogen protection constant temperature 80 DEG C stirring reaction 5h, then it is warming up to 100 DEG C of reaction 5h,
Add the powdered rice hulls and trihydroxymethylpropanyltri diglycidyl ether pulverized in advance, 130 DEG C of stirring reaction 10h, often cool down to
Temperature, decompression is distilled off solvent, is dried, and obtains modified powdered rice hulls；
(2) by styrene, pfluorostyrene, ethyleneglycol dimethyacrylate mix homogeneously, add benzoyl peroxide, raise
Temperature to 80 DEG C, mix and blend 6h, be then added to gelatin, sodium sulfate and be equivalent to the deionized water of sodium sulfate weight portion 10 times and join
The solution put, stirs polyase 13 h by 90 DEG C, and 100 DEG C are continued stirring reaction 10h, obtain microspheres with solid, and microsphere is stainless with 300 mesh
Steel mesh filters, and washs 6 times with the deionized water water of 90 DEG C, until non-foam occurs, is placed in 130 DEG C of air blast in air dry oven
It is dried 5h, respectively through 100 mesh and 200 mesh rustless steel mesh screens, screening；
(3) butyl rubber, the product of step (2), tellurium diethyl dithiocarbamate, sulfonic acid chloride are added banbury and carry out close
Refining, temperature controls at 140 DEG C, banburying time 10min；By the monolayer ferrum net filtration of 40 mesh of the material after banburying, filter glue temperature
Degree controls at 80 DEG C；Adding modified powdered rice hulls and copper sulfate carries out mixed glue, temperature controls at 105 DEG C, then by glue dormancy 24h；
By the mixed sizing material of mix homogeneously, two hydroxy acyl second two support titanate esters and wood powder carries out heat refining on a mill until, and temperature controls 110
℃；By extrusion formation equipment, extruded.
Performance test:
Oil resisting test: take the sample of one piece of about 10cm*10cm, weigh, soaks 24h in the machine oil of 23 ± 2 DEG C, wipes after taking-up
Dry, to place 4-6h, weigh, weightening finish 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, soaks 24h, takes in the sulphuric acid of 20%
Drying after going out, place 4-6h, weigh, weightening finish 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, soaks 24h, takes in the Caustic soda of 20%
Drying after going out, place 4-6h, weigh, weightening finish is less than or equal to 0.8%.
Claims (2)
1. the self-cleaning surface of a laboratory table mould sheet material, it is characterised in that its by following weight portion raw material prepare and
Become: wood powder 500 parts, powdered rice hulls 40-50 part, butanediol double methacrylate 20-30 part, polyvinyl alcohol 20-25 part, divinylbenzene
120-150 part, p-methyl benzenesulfonic acid 2-3 part, trihydroxymethylpropanyltri diglycidyl ether 5-6 part, styrene 15-20 part, to fluorobenzene
Ethylene 10-12 part, ethyleneglycol dimethyacrylate 8-12 part, benzoyl peroxide 2-3 part, gelatin 6-8 part, sodium sulfate 5-6
Part, butyl rubber 70-80 part, tellurium diethyl dithiocarbamate 5-6 part, sulfonic acid chloride 3-5 part, copper sulfate 5-6 part, dihydroxy acyl
It is appropriate that base second two supports titanate esters 6-8 part, deionized water.
The Wood plastic boards of the self-cleaning surface of laboratory table the most according to claim 1, it is characterised in that it is by walking as follows
Suddenly it is prepared from:
(1) by butanediol double methacrylate, polyvinyl alcohol, divinylbenzene and be equivalent to polyvinyl alcohol weight part 4-5 times
Deionized water is mixed and stirred for 30-40min to be made biphase fully dispersed, and heating makes temperature of reaction system be raised to 60-80 DEG C, leads to simultaneously
Enter nitrogen, while lead to nitrogen limit to add p-methyl benzenesulfonic acid, under nitrogen protection constant temperature 60-80 DEG C stirring reaction 4-5h, then be warming up to
80-100 DEG C of reaction 4-5h, adds the powdered rice hulls and trihydroxymethylpropanyltri diglycidyl ether pulverized in advance, and 120-130 DEG C is stirred
Mixing reaction 8-10h, cool down to room temperature, decompression is distilled off solvent, is dried, and obtains modified powdered rice hulls；
(2) by styrene, pfluorostyrene, ethyleneglycol dimethyacrylate mix homogeneously, add benzoyl peroxide, raise
Temperature to 70-80 DEG C, mix and blend 5-6h, be then added to gelatin, sodium sulfate and be equivalent to going of sodium sulfate weight portion 8-10 times
The solution of ionized water configuration, 80-90 DEG C, stirring polymerization 2-3h, 90-100 DEG C is continued stirring reaction 8-10h, obtains microspheres with solid,
Microsphere 250-300 mesh stainless steel mesh cloth is filtered, washs 5-6 time with the deionized water water of 70-90 DEG C, until non-foam goes out
Existing, it is placed in 100-130 DEG C of forced air drying 3-5h in air dry oven, respectively through 100 mesh and 200 mesh rustless steel mesh screens, screening；
(3) butyl rubber, the product of step (2), tellurium diethyl dithiocarbamate, sulfonic acid chloride are added banbury and carry out close
Refining, temperature controls at about 135-140 DEG C, banburying time 8-10min；By the monolayer ferrum of 20-40 mesh of the material after banburying
Net filtration, filter glue temperature controls at 70-80 DEG C；Adding modified powdered rice hulls and copper sulfate carries out mixed glue, temperature controls at 95-105
In the range of DEG C, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, two hydroxy acyl second two are supportted titanate esters and wood powder and opening
Carrying out heat refining on refining machine, temperature controls at 100-110 DEG C；By extrusion formation equipment, extruded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781432.XA CN106280525A (en) | 2016-08-31 | 2016-08-31 | Wood plastic boards of self-cleaning surface a kind of of laboratory table and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610781432.XA CN106280525A (en) | 2016-08-31 | 2016-08-31 | Wood plastic boards of self-cleaning surface a kind of of laboratory table and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN106280525A true CN106280525A (en) | 2017-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610781432.XA Pending CN106280525A (en) | 2016-08-31 | 2016-08-31 | Wood plastic boards of self-cleaning surface a kind of of laboratory table and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929262A (en) * | 2019-03-19 | 2019-06-25 | 福建农林大学 | A method of preparing high-strength Wood-plastic material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131634A (en) * | 2015-09-27 | 2015-12-09 | 龚灿锋 | Corrosion-resistant fire-retardant antibacterial wood-plastic material |
-
2016
- 2016-08-31 CN CN201610781432.XA patent/CN106280525A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131634A (en) * | 2015-09-27 | 2015-12-09 | 龚灿锋 | Corrosion-resistant fire-retardant antibacterial wood-plastic material |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109929262A (en) * | 2019-03-19 | 2019-06-25 | 福建农林大学 | A method of preparing high-strength Wood-plastic material |
| CN109929262B (en) * | 2019-03-19 | 2021-12-14 | 福建农林大学 | Method for preparing high-strength wood-plastic material |
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Application publication date: 20170104 |
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