CN106336679A - Montmorillonite reinforced wood-plastic plate for experiment table and preparation method thereof - Google Patents
Montmorillonite reinforced wood-plastic plate for experiment table and preparation method thereof Download PDFInfo
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- CN106336679A CN106336679A CN201610789627.9A CN201610789627A CN106336679A CN 106336679 A CN106336679 A CN 106336679A CN 201610789627 A CN201610789627 A CN 201610789627A CN 106336679 A CN106336679 A CN 106336679A
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- montmorillonite
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- rice hulls
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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
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- 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
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/02—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polycarbonates or saturated polyesters
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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
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
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Abstract
The invention discloses a montmorillonite reinforced wood-plastic plate for an experiment table. The montmorillonite reinforced wood-plastic plate is characterized by being prepared from the following raw materials: wood flour, rice husk powder, polybutylene terephthalate, maleic anhydride, divinyl benzene, tert-butyl peroxybenzoate, natural montmorillonite, sodium phosphate, betaine, gamma-mercaptopropyl trimethoxysilane, butyl rubber, polyvinyl acetate, distearyl thiodipropionate, mercaptoacetate isooctyl di-n-octyltin, tetraisopropyl titanate, and appropriate amounts of hydrochloric acid solutions of which the concentrations are 30 to 35%, and deionized water. The wood-plastic plate disclosed by the invention has the characteristics of water proofing, flame retardancy, acid and alkali resistance, mothproof property, zero formaldehyde emissions and the like, and further is very smooth in surface, high in hardness and not easy to produce scratches.
Description
Technical field
The invention belongs to advanced composite material (ACM) technology is and in particular to a kind of enhanced Wood plastic boards of montmorillonite of laboratory table
And preparation method thereof.
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. in " using elastic body toughening wood powder/hdpe composite " literary composition, for improve wood plastics composite
The toughness of material, introduces 3 kinds of elastomers: polyene in wood powder/high density polyethylene (HDPE) (wf/hdpe) composite preparation process
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, 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 enhanced Wood plastic boards of montmorillonite of platform and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is as follows:
A kind of enhanced mould plate material of the montmorillonite of laboratory table is it is characterised in that it is prepared from by the raw material of following weight portion:
500 parts of wood powder, powdered rice hulls 40-50 part, polybutylene terephthalate (PBT) 20-30 part, maleic anhydride 12-15 part, divinyl
Benzene 120-150 part, perbenzoic acid spy's butyl ester 2-3 part, natural montmorillonite 15-20 part, sodium phosphate 8-10 part, glycine betaine 6-8
Part, γ-mercaptopropyl trimethoxysilane 6-8 part, butyl rubber 70-80 part, polyvinyl acetate 5-6 part, thio-2 acid two are hard
Lipidol ester 3-5 part, isooctyl thioglycollate dioctyltin 5-6 part, tetraisopropyl titanate 6-8 part, the hydrochloric acid solution of 30-35%
In right amount, appropriate deionized water.
The enhanced Wood plastic boards of montmorillonite of described laboratory table are it is characterised in that it is prepared from by following steps:
(1) by polybutylene terephthalate (PBT), maleic anhydride, divinylbenzene and be equivalent to maleic anhydride weight portion 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, adds the special butyl ester of perbenzoic acid, 60-80 DEG C of stirring reaction 4- of constant temperature under nitrogen protection in logical nitrogen
5h, then it is warming up to 80-100 DEG C of reaction 4-5h, the powdered rice hulls that addition was pulverized in advance, 120-130 DEG C of stirring reaction 8-10h, cold
But it is down to room temperature, vacuum distillation removes solvent, be dried, obtain modified powdered rice hulls；
(2) natural montmorillonite is added in the deionized water being equivalent to 8-10 times of natural montmorillonite weight portion, stir about 2.5-
3.0h, stands 5-6h, then removes and is more than 200 mesh coarse sands；Add sodium phosphate and 30-35% hydrochloric acid solution, make the ph value of system
For 5-6, after stirring 3-4h, remove further and be more than 400 mesh detrital minerals, add glycine betaine while stirring, in 80-82 DEG C of water-bath
After middle heated and stirred 2.0-2.5h, filtration drying, cross 600 mesh sieves after grinding, add γ-mercaptopropyl trimethoxysilane, add
Sonic oscillation generator or rotating speed turn for 2500-3000/high-speed mixer of min in, stir 50- at a temperature of 80-120 DEG C
60min, makes dispersed, is subsequently cooled to 30 DEG C, obtains the montmorillonite of surface activation process, and discharging is stand-by；
(3) butyl rubber, the product of step (2), polyvinyl acetate, thio-2 acid 2 stearyl ester are added banbury to 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 isooctyl thioglycollate dioctyltin is added to be mixed
Glue, temperature control in the range of 95-105 DEG C, then by glue dormancy 20-24h；By the mixed sizing material of mix homogeneously, metatitanic acid four isopropyl
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.
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；Polybutylene terephthalate (PBT) is with divinylbenzene altogether
Poly-, its copolymer and butyl rubber not only have the good compatibility, and copolymer also can be sent out with the hydroxyl on powdered rice hulls surface
Biochemical reaction, defines a kind of nonpolar surface structure on powdered rice hulls surface, and this structure is producing wood plastic composite
Certain lubrication can be played in extrusion, and the product extruded is more closely knit than the product that single wood powder is extruded, structure
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
To increase heat-resisting, the resistance to ozone of Wood plastic boards, ageing-resistant, chemical-resistant resistance, and there are shock-absorbing, electrical insulation capability so as to be applied to
Laboratory environment uses；The present invention adds montmorillonite, and stratiform montmorillonite is scattered in rubber, have good storage-stable good,
Be uniformly dispersed, feature that interface binding power is strong, montmorillonite simultaneously belongs to inorganic combustion inhibitor, has excellent mechanical property, gas
Intercept and fire retarding effect, low cost, easy to process the advantages of, mechanical performance and the fire resistance of Wood plastic boards can be improve；
The Wood plastic boards of the present invention have the features such as waterproof, fire-retardant, acid and alkali-resistance, Anti-moth-eating, zero formaldehyde emissions, and surface unusual light,
Hardness height is it is not easy to there be cut.
Specific embodiment
The montmorillonite enhanced mould plate material of the laboratory table of the present embodiment, it is prepared from by the raw material of following weight portion:
500 parts of wood powder, 50 parts of powdered rice hulls, 30 parts of polybutylene terephthalate (PBT), 15 parts of maleic anhydride, 120 parts of divinylbenzene, mistake
Oxidation benzoic acid 3 parts of butyl ester of spy, 20 parts of natural montmorillonite, 8 parts of sodium phosphate, 8 parts of glycine betaine, γ-mercaptopropyl trimethoxysilane 8
Part, 80 parts of butyl rubber, 6 parts of polyvinyl acetate, 5 parts of thio-2 acid 2 stearyl ester, isooctyl thioglycollate di-n-octyl
6 parts of stannum, 6 parts of tetraisopropyl titanate, 30-35% hydrochloric acid solution is appropriate, appropriate deionized water.
The enhanced Wood plastic boards of montmorillonite of the laboratory table of the present embodiment, it is prepared from by following steps:
(1) by polybutylene terephthalate (PBT), maleic anhydride, divinylbenzene and be equivalent to 5 times of maleic anhydride weight portion
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 perbenzoic acid spy's butyl ester, 80 DEG C of stirring reactions 5h of constant temperature under nitrogen protection, then is warming up in logical nitrogen
100 DEG C of reaction 5h, add the powdered rice hulls pulverized in advance, 130 DEG C of stirring reactions 10h, cool down to room temperature, vacuum distillation removes
Solvent, is dried, obtains modified powdered rice hulls；
(2) natural montmorillonite is added in the deionized water being equivalent to 10 times of natural montmorillonite weight portion, stir about 3.0h, quiet
Put 6h, then remove and be more than 200 mesh coarse sands；Add sodium phosphate and 30-35% hydrochloric acid solution, the ph value making system is 5-6, stirring
After 4h, remove further and be more than 400 mesh detrital minerals, add glycine betaine, heated and stirred 2.5h in 82 DEG C of water-baths while stirring
Afterwards, filtration drying, crosses 600 mesh sieves after grinding, adds γ-mercaptopropyl trimethoxysilane, adds sonic oscillation generator or turns
In the high-speed mixer for 3000 turns/min for the speed, stir 60min at a temperature of 120 DEG C, make dispersed, be subsequently cooled to 30
DEG C, obtain the montmorillonite of surface activation process, discharging is stand-by；
(3) butyl rubber, the product of step (2), polyvinyl acetate, thio-2 acid 2 stearyl ester are added banbury to carry out
Banburying, temperature control at 140 DEG C, 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；Modified powdered rice hulls and isooctyl thioglycollate dioctyltin is added to carry out mixed glue, temperature control is 105
DEG C, then by glue dormancy 24h；The mixed sizing material of mix homogeneously, tetraisopropyl titanate and wood powder are carried out heat refining on a mill, temperature
Degree controls 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, soak 24h in 23 ± 2 DEG C of machine oil, 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 (2)
1. a kind of enhanced Wood plastic boards of the montmorillonite of laboratory table it is characterised in that its by following weight portion raw material preparation
Form: 500 parts of wood powder, powdered rice hulls 40-50 part, polybutylene terephthalate (PBT) 20-30 part, maleic anhydride 12-15 part, diethyl
Alkenyl benzene 120-150 part, perbenzoic acid spy's butyl ester 2-3 part, natural montmorillonite 15-20 part, sodium phosphate 8-10 part, glycine betaine
6-8 part, γ-mercaptopropyl trimethoxysilane 6-8 part, butyl rubber 70-80 part, polyvinyl acetate 5-6 part, thio-2 acid two
Hard Fat alcohol ester 3-5 part, isooctyl thioglycollate dioctyltin 5-6 part, tetraisopropyl titanate 6-8 part, 30-35% hydrochloric acid molten
Appropriate liquid, appropriate deionized water.
2. the enhanced Wood plastic boards of the montmorillonite of laboratory table according to claim 1 are it is characterised in that it is by walking as follows
Suddenly it is prepared from:
(1) by polybutylene terephthalate (PBT), maleic anhydride, divinylbenzene and be equivalent to maleic anhydride weight portion 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, adds the special butyl ester of perbenzoic acid, 60-80 DEG C of stirring reaction 4- of constant temperature under nitrogen protection in logical nitrogen
5h, then it is warming up to 80-100 DEG C of reaction 4-5h, the powdered rice hulls that addition was pulverized in advance, 120-130 DEG C of stirring reaction 8-10h, cold
But it is down to room temperature, vacuum distillation removes solvent, be dried, obtain modified powdered rice hulls；
(2) natural montmorillonite is added in the deionized water being equivalent to 8-10 times of natural montmorillonite weight portion, stir about 2.5-
3.0h, stands 5-6h, then removes and is more than 200 mesh coarse sands；Add sodium phosphate and 30-35% hydrochloric acid solution, make the ph value of system
For 5-6, after stirring 3-4h, remove further and be more than 400 mesh detrital minerals, add glycine betaine while stirring, in 80-82 DEG C of water-bath
After middle heated and stirred 2.0-2.5h, filtration drying, cross 600 mesh sieves after grinding, add γ-mercaptopropyl trimethoxysilane, add
Sonic oscillation generator or rotating speed turn for 2500-3000/high-speed mixer of min in, stir 50- at a temperature of 80-120 DEG C
60min, makes dispersed, is subsequently cooled to 30 DEG C, obtains the montmorillonite of surface activation process, and discharging is stand-by；
(3) butyl rubber, the product of step (2), polyvinyl acetate, thio-2 acid 2 stearyl ester are added banbury to 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 isooctyl thioglycollate dioctyltin is added to be mixed
Glue, temperature control in the range of 95-105 DEG C, then by glue dormancy 20-24h；By the mixed sizing material of mix homogeneously, metatitanic acid four isopropyl
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789627.9A CN106336679A (en) | 2016-08-31 | 2016-08-31 | Montmorillonite reinforced wood-plastic plate for experiment table and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789627.9A CN106336679A (en) | 2016-08-31 | 2016-08-31 | Montmorillonite reinforced wood-plastic plate for experiment table and preparation method thereof |
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| CN106336679A true CN106336679A (en) | 2017-01-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118359905A (en) * | 2024-05-07 | 2024-07-19 | 江苏顺仕净化设备有限公司 | Plastic-wood composite material plate with adsorption purification function and preparation method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617915A (en) * | 2012-04-01 | 2012-08-01 | 安徽国风木塑科技有限公司 | Anti-mildew halogen-free flame-retardant smoke-suppression wood-plastic composite material and preparation method thereof |
-
2016
- 2016-08-31 CN CN201610789627.9A patent/CN106336679A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102617915A (en) * | 2012-04-01 | 2012-08-01 | 安徽国风木塑科技有限公司 | Anti-mildew halogen-free flame-retardant smoke-suppression wood-plastic composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118359905A (en) * | 2024-05-07 | 2024-07-19 | 江苏顺仕净化设备有限公司 | Plastic-wood composite material plate with adsorption purification function and preparation method thereof |
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Application publication date: 20170118 |