CN106398255A - Flame retardant wood plastic sheet material for experiment table and preparation method thereof - Google Patents
Flame retardant wood plastic sheet material for experiment table and preparation method thereof Download PDFInfo
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- CN106398255A CN106398255A CN201610789629.8A CN201610789629A CN106398255A CN 106398255 A CN106398255 A CN 106398255A CN 201610789629 A CN201610789629 A CN 201610789629A CN 106398255 A CN106398255 A CN 106398255A
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- sheet material
- wood plastic
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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
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
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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
- C08L2205/05—Polymer mixtures characterised by other features containing polymer components which can react with one another
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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)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
A flame retardant wood plastic sheet material for an experiment table is characterized by being prepared from the following raw materials: wood powder, rick husk powder, polyoxyethylene rosin ester, hydroxyethyl cellulose, divinyl benzene, dicumyl peroxide, silicone, asbestos fiber, sodium silicate, graphite powder, allyl polyethylene glycol, sodium oleate, butyl rubber, ammonia dissolved alkylamino ketone, zinc sulfide, ethylene glycol methyl ether, tetraisopropyl titanate, and a proper amount of deionized water. The provided wood plastic sheet material has the characteristics of waterproof property, flame retardant property, acid and alkali resistance, insect resistance, and zero formaldehyde discharge, moreover, the surface is very smooth, the hardness is high, and thus the sheet material is scratch resistant.
Description
Technical field
The invention belongs to advanced composite material (ACM) technology is and in particular to a kind of fire-retardant Wood plastic boards of laboratory table and its system
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 fire-retardant Wood plastic boards of platform and preparation method thereof.
To achieve these goals, the technical scheme that the present invention takes is as follows：
A kind of fire-retardant mould plate material of laboratory table is 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, polyoxylethylene abietate 20-30 part, hydroxyethyl cellulose 20-25 part, divinylbenzene
120-150 part, cumyl peroxide 2-3 part, silicone 5-6 part, asbestos fibre 15-20 part, sodium silicate 10-12 part, graphite powder
8-12 part, allyl polyglycol 6-8 part, enuatrol 5-6 part, butyl rubber 70-80 part, ammonia molten alkylamine ketone 5-6 part, sulfuration
Zinc 3-5 part, ethylene glycol monomethyl ether 5-6 part, tetraisopropyl titanate 6-8 part, appropriate deionized water.
The fire-retardant Wood plastic boards of described laboratory table are it is characterised in that it is prepared from by following steps：
（1）By polyoxylethylene abietate, hydroxyethyl cellulose, divinylbenzene and be equivalent to hydroxyethyl cellulose weight portion
4-5 times of 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, it is passed through nitrogen simultaneously, add cumyl peroxide in logical nitrogen, 60-80 DEG C of stirring reaction of constant temperature under nitrogen protection
4-5h, then it is warming up to 80-100 DEG C of reaction 4-5h, add the powdered rice hulls pulverized in advance and silicone, 120-130 DEG C of stirring reaction
8-10h, cools down to room temperature, and vacuum distillation removes solvent, is dried, obtains modified powdered rice hulls；
（2）By asbestos fibre be added to sodium silicate and be equivalent to 6-8 times of sodium silicate weight portion deionized water configure solution in,
Soak 8-12h under room temperature, be warming up to 70-80 DEG C, stir 3-4h, add graphite powder and allyl polyglycol, continue stirring 8-
10h, adds enuatrol, 90-100 DEG C of continuation stirring reaction 8-10h, is placed in 100-130 DEG C of forced air drying 3- in air dry oven
5h, grinds, screening；
（3）By butyl rubber, step（2）Product, ammonia molten alkylamine ketone, zinc sulfide add banbury carry out banburying, temperature control
Make at 135-140 DEG C about, mixing time 8-10min；Material after banburying is filtered with the monolayer iron net of 20-40 mesh, filter
Glue temperature control is at 70-80 DEG C；Modified powdered rice hulls and ethylene glycol monomethyl ether is added to carry out mixed glue, temperature control is in 95-105 DEG C of scope
Interior, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, tetraisopropyl titanate and wood powder are carried out heat on a mill
Refining, 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；Polyoxylethylene abietate is with divinylbenzene grafting altogether
Poly-, its copolymer and butyl rubber not only have the good compatibility, and the rosin acid on its molecular link can be with powdered rice hulls table
There is chemical reaction in the hydroxyl in face, define a kind of nonpolar surface structure on powdered rice hulls surface, and this structure is producing wood
Can play certain lubrication in plastic composite materials extrusion, and the product that the product extruded is extruded than single wood powder is 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；Butyl rubber
Addition, heat-resisting, the resistance to ozone of Wood plastic boards, ageing-resistant, chemical-resistant resistance can be increased, and have shock-absorbing, electrical insulation capability, make
It is applied to laboratory environment and uses；The present invention add heat-resisting, do not fire, water-fast, acidproof, resistance to chemical attack asbestos fibre, first
It is placed in sodium silicate solution and soak, reacting by heating, make its shredding through stirring, increase surface area, add graphite powder, in Oleic acid
In the presence of sodium, blending forms interlinkage, greatly strengthen fire resistance and the resistance to elevated temperatures of Wood plastic boards；The wood moulding of the present invention
Sheet material has the features such as waterproof, fire-retardant, acid and alkali-resistance, Anti-moth-eating, zero formaldehyde emissions, and surface unusual light, hardness high it is not easy to
There is cut.
Specific embodiment
The fire-retardant mould plate material of the laboratory table of the present embodiment, it is prepared from by the raw material of following weight portion：Wood powder 500
Part, 50 parts of powdered rice hulls, 30 parts of polyoxylethylene abietate, 25 parts of hydroxyethyl cellulose, 150 parts of divinylbenzene, peroxidating two
3 parts of isopropylbenzene, 6 parts of silicone, 20 parts of asbestos fibre, 12 parts of sodium silicate, 12 parts of graphite powder, 8 parts of allyl polyglycol, enuatrol
6 parts, 80 parts of butyl rubber, 6 parts of ammonia molten alkylamine ketone, 5 parts of zinc sulfide, 6 parts of ethylene glycol monomethyl ether, 8 parts of tetraisopropyl titanate, go from
Sub- appropriate amount of water.
The fire-retardant Wood plastic boards of the laboratory table of the present embodiment, it is prepared from by following steps：
（1）By polyoxylethylene abietate, hydroxyethyl cellulose, divinylbenzene and be equivalent to hydroxyethyl cellulose weight portion
5 times of deionized water be mixed and stirred for 40min make biphase fully dispersed, heating make temperature of reaction system be raised to 80 DEG C, lead to simultaneously
Enter nitrogen, add cumyl peroxide in logical nitrogen, 80 DEG C of stirring reactions 5h of constant temperature under nitrogen protection, then be warming up to
100 DEG C of reaction 5h, add the powdered rice hulls pulverized in advance and silicone, 130 DEG C of stirring reactions 10h, cool down to room temperature, and decompression is steamed
Evaporate removing solvent, be dried, obtain modified powdered rice hulls；
（2）By asbestos fibre be added to sodium silicate and be equivalent to 8 times of sodium silicate weight portion deionized water configuration solution in, often
Temperature is lower to soak 12h, is warming up to 80 DEG C, stirs 4h, add graphite powder and allyl polyglycol, continues stirring 10h, add Oleic acid
Sodium, 100 DEG C of continuation stirring reactions 10h, it is placed in 130 DEG C of forced air drying 5h in air dry oven, grind, screening；
（3）By butyl rubber, step（2）Product, ammonia molten alkylamine ketone, zinc sulfide add banbury carry out banburying, temperature control
Make 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 80
℃；Add modified powdered rice hulls and ethylene glycol monomethyl ether to carry out mixed glue, temperature control at 105 DEG C, then by glue dormancy 24h；To mix
Uniformly mix sizing material, tetraisopropyl titanate and wood powder and carry out heat refining on a mill, temperature control is at 110 DEG C；By being squeezed into
Type 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 (2)
1. a kind of fire-retardant Wood plastic boards of laboratory table are 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, polyoxylethylene abietate 20-30 part, hydroxyethyl cellulose 20-25 part, divinylbenzene
120-150 part, cumyl peroxide 2-3 part, silicone 5-6 part, asbestos fibre 15-20 part, sodium silicate 10-12 part, graphite powder
8-12 part, allyl polyglycol 6-8 part, enuatrol 5-6 part, butyl rubber 70-80 part, ammonia molten alkylamine ketone 5-6 part, sulfuration
Zinc 3-5 part, ethylene glycol monomethyl ether 5-6 part, tetraisopropyl titanate 6-8 part, appropriate deionized water.
2. the fire-retardant Wood plastic boards of laboratory table according to claim 1 are it is characterised in that it is prepared by following steps
Form：
（1）By polyoxylethylene abietate, hydroxyethyl cellulose, divinylbenzene and be equivalent to hydroxyethyl cellulose weight portion
4-5 times of 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, it is passed through nitrogen simultaneously, add cumyl peroxide in logical nitrogen, 60-80 DEG C of stirring reaction of constant temperature under nitrogen protection
4-5h, then it is warming up to 80-100 DEG C of reaction 4-5h, add the powdered rice hulls pulverized in advance and silicone, 120-130 DEG C of stirring reaction
8-10h, cools down to room temperature, and vacuum distillation removes solvent, is dried, obtains modified powdered rice hulls；
（2）By asbestos fibre be added to sodium silicate and be equivalent to 6-8 times of sodium silicate weight portion deionized water configure solution in,
Soak 8-12h under room temperature, be warming up to 70-80 DEG C, stir 3-4h, add graphite powder and allyl polyglycol, continue stirring 8-
10h, adds enuatrol, 90-100 DEG C of continuation stirring reaction 8-10h, is placed in 100-130 DEG C of forced air drying 3- in air dry oven
5h, grinds, screening；
（3）By butyl rubber, step（2）Product, ammonia molten alkylamine ketone, zinc sulfide add banbury carry out banburying, temperature control
Make at 135-140 DEG C about, mixing time 8-10min；Material after banburying is filtered with the monolayer iron net of 20-40 mesh, filter
Glue temperature control is at 70-80 DEG C；Modified powdered rice hulls and ethylene glycol monomethyl ether is added to carry out mixed glue, temperature control is in 95-105 DEG C of scope
Interior, then by glue dormancy 20-24h；The mixed sizing material of mix homogeneously, tetraisopropyl titanate and wood powder are carried out heat on a mill
Refining, temperature control is at 100-110 DEG C；By extrusion formation equipment, extrusion molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789629.8A CN106398255A (en) | 2016-08-31 | 2016-08-31 | Flame retardant wood plastic sheet material for experiment table and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610789629.8A CN106398255A (en) | 2016-08-31 | 2016-08-31 | Flame retardant wood plastic sheet material for experiment table and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN106398255A true CN106398255A (en) | 2017-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610789629.8A Pending CN106398255A (en) | 2016-08-31 | 2016-08-31 | Flame retardant wood plastic sheet material for experiment table and preparation method thereof |
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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 CN201610789629.8A patent/CN106398255A/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 |
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Application publication date: 20170215 |