CN106009297A - High-toughness formaldehyde removing bamboo-plastic foamed composite door and window material and preparation method thereof - Google Patents
High-toughness formaldehyde removing bamboo-plastic foamed composite door and window material and preparation method thereof Download PDFInfo
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- CN106009297A CN106009297A CN201610579062.1A CN201610579062A CN106009297A CN 106009297 A CN106009297 A CN 106009297A CN 201610579062 A CN201610579062 A CN 201610579062A CN 106009297 A CN106009297 A CN 106009297A
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/06—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent
- C08J9/10—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a chemical blowing agent developing nitrogen, the blowing agent being a compound containing a nitrogen-to-nitrogen bond
- C08J9/102—Azo-compounds
- C08J9/103—Azodicarbonamide
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/04—N2 releasing, ex azodicarbonamide or nitroso compound
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2205/00—Foams characterised by their properties
- C08J2205/04—Foams characterised by their properties characterised by the foam pores
- C08J2205/052—Closed cells, i.e. more than 50% of the pores are closed
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2497/00—Characterised by the use of lignin-containing materials
- C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/14—Applications used for foams
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- C—CHEMISTRY; METALLURGY
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- 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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- C—CHEMISTRY; METALLURGY
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- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
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Abstract
The invention discloses a high-toughness formaldehyde removing bamboo-plastic foamed composite door and window material and a preparation method thereof. The material is characterized by being prepared from, by weight, 2-5 parts of high-elasticity polypropylene fibers, 60-70 parts of isotactic polypropylene, 1-2 parts of SiO2, 10-15 parts of high-melt-strength polypropylene, 30-40 parts of bamboo powder, 10-15 parts of activated carbon, 1-2 parts of polyethylene, 1-2 parts of corundum powder, 20-25 parts of Cu(NO3)2, 1-3 parts of stearic acid, 1-3 parts of calcium stearate, 1-3 parts of a foaming agent AC1601, 10-15 parts of zinc stearate, 50-60 parts of NaOH solution and 1-3 parts of polyacrylate emulsion. The activated carbon and diamond are modified by polyacrylate and the Cu(NO3)2, and loading of the Cu(NO3)2 in pore passages and surfaces of the activated carbon and the diamond is promoted; due to addition of the high-elasticity polypropylene fibers and the like, elasticity of the material is improved.
Description
Technical field
The present invention relates to a kind of bamboo-plastic composite material, particularly relate to a kind of good toughness, foaming composite door window material and preparation method thereof can be moulded except the bamboo of formaldehyde.
Background technology
Bamboo moulds foam composite material because overcoming the defects such as bamboo-plastic composite material density is big, fragility is big, recently receives much concern.The matrix of bamboo-plastic composite material mainly has polrvinyl chloride and polyolefin plastics.Polrvinyl chloride based composites can be to environment when manufacture, use and waste treatment, and rigidity and the maximum operation (service) temperature of polyethylene based composition are relatively low and the most degradable.Therefore, polypropylene (PP) Wood-plastic foam composite becomes recent study focus.Bamboo is moulded foam composite material and is of wide application, and relates to auto industry and transport service, building trade, packaging industry, furniture and decorative craft, the many aspects such as office equipment and sporting equipment.
Frighten star week in the impact of foam composite material performance " titanate coupling agent bamboo moulded ", utilize bamboo powder and polypropylene, high melt strength, propylene to be prepared for a kind of bamboo and mould foam composite material, but its mechanical strength has much room for improvement, and the functionalization of this composite is the most perfect, limits bamboo and mould the application of foam composite material.
Summary of the invention
Based on above thinking, it is an object of the invention to provide a kind of bamboo and mould the formula of foam composite material, current bamboo is moulded the intensity difference that expanded material exists, functional imperfection improves, the technical solution used in the present invention is as follows:
1. a good toughness, foaming composite door window material can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of the raw material of following weight portion:
High elastic polypropylene fibers 2-5, isotactic polypropylene 60-70, SiO2 1-2, high melt strength, propylene 10-15, bamboo powder 30-40, activated carbon 10-15, polyethylene 1-2, schmigel 1-2, Cu (NO3)220-25, stearic acid 1-3, calcium stearate 1-3, blowing agent AC 1601 1-3, zinc stearate 10-15, NaOH solution 50-60, polyacrylate dispersion 1-3;
The particle diameter of described bamboo powder is 90-350 μm, and NaOH solution concentration is 1mol/L, Cu (NO3)2Concentration is 0.1 mol/L, and the solid content of polyacrylate dispersion is 40-50%.
2. a kind of good toughness described in, foaming composite door window material and preparation method thereof can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of following steps:
a.
By SiO2, activated carbon, schmigel join in NaOH solution, after stirring 10-15min, soak 1-2h, clear water washs, and filters, and is dried under the conditions of 50-100 DEG C;Polyacrylate dispersion joins Cu (NO3)2Solution is made mixed liquor, dry activated carbon and diamond is joined after this mixed liquor stirs 10-15min, soak 0.5-1h, dry under the conditions of 90-130 DEG C, N2Under atmosphere, 300-500 DEG C of roasting 3-5h, obtain modified mixture;
b.
Bamboo powder is dried under the conditions of 100-120 DEG C 6-10h, to over dry;Then the bamboo powder of drying, high elastic polypropylene fibers, polyethylene are joined in high-speed mixer together with the isotactic polypropylene of 30-40 part, stirring is warming up to 150-200 DEG C, it is cooled to 30-50 DEG C after 10-30min, continues discharging after stirring 6-10min, obtain mixture;
c.
Step a gained modified mixture and step b gained mixture are joined in residue isotactic polypropylene, high melt strength, propylene mixture, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material;Premix material being put in torque rheometer after internally mix 10-15min, discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, stirs, through injection machine injection mo(u)lding.
3. the torque rheometer temperature described in is set to 160-220 DEG C, and rotating speed is 30-50
r·min-1。
The invention has the beneficial effects as follows:With polyacrylate and Cu (NO3)2Activated carbon and diamond are modified, promote Cu (NO3)2Load in activated carbon and diamond surface and duct, increases its adhesive force, difficult drop-off, extends catalytic life, gives the function of the adsorbable formaldehyde of target material, extends its application;At high temperature calcine, Cu (NO3)2Can pyrolytic be CuO, can absorption degradation formaldehyde effectively, coordinate the characterization of adsorption of activated carbon, reach excellent formaldehyde absorbing efficiency;The addition of diamond also increases mechanical strength and the formaldehyde absorbing efficiency of this composite;With isotactic polypropylene, bamboo powder is wrapped up, reduce bamboo fibre and decompose, improve plastic substrate and the affinity of bamboo fibre and mobility;Cooperation utilizes high melt strength, propylene to prepare bamboo and moulds foam composite material so that this material rate of closed hole is high, has light weight, intensity height, the advantage of low cost;Coordinate and with the addition of high elastic polypropylene fibers and SiO2Deng, balance rigidity and the flexibility of composite, improve it elastic simultaneously.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with specific embodiment, the present invention is expanded on further.
Embodiment
A kind of good toughness, foaming composite door window material can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of the raw material of following weight portion:
High elastic polypropylene fibers 5, isotactic polypropylene 70, SiO2 2, high melt strength, propylene 15, bamboo powder 40, activated carbon 15, polyethylene 2, schmigel 2, Cu (NO3)2
25, stearic acid 3, calcium stearate 3, blowing agent AC 1601
3, zinc stearate 15, NaOH solution 60, polyacrylate dispersion 3;
The particle diameter of described bamboo powder is 90-350 μm, and NaOH solution concentration is 1mol/L, Cu (NO3)2Concentration is 0.1 mol/L, and the solid content of polyacrylate dispersion is 40-50%.
Described a kind of good toughness, foaming composite door window material and preparation method thereof can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of following steps:
a.
By SiO2, activated carbon, schmigel join in NaOH solution, after stirring 10-15min, soak 1-2h, clear water washs, and filters, and is dried under the conditions of 50-100 DEG C;Polyacrylate dispersion joins Cu (NO3)2Solution is made mixed liquor, dry activated carbon and diamond is joined after this mixed liquor stirs 10-15min, soak 0.5-1h, dry under the conditions of 90-130 DEG C, N2Under atmosphere, 300-500 DEG C of roasting 3-5h, obtain modified mixture;
b.
Bamboo powder is dried under the conditions of 100-120 DEG C 6-10h, to over dry;Then the bamboo powder of drying, high elastic polypropylene fibers, polyethylene are joined in high-speed mixer together with the isotactic polypropylene of 30-40 part, stirring is warming up to 150-200 DEG C, it is cooled to 30-50 DEG C after 10-30min, continues discharging after stirring 6-10min, obtain mixture;
c.
Step a gained modified mixture and step b gained mixture are joined in residue isotactic polypropylene, high melt strength, propylene mixture, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material;Premix material being put in torque rheometer after internally mix 10-15min, discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, stirs, through injection machine injection mo(u)lding.
Described torque rheometer temperature is set to 160-220 DEG C, and rotating speed is 30-50
r·min-1。
The technical specification of the present invention is:
Formaldehyde absorbing rate
≥2.5mg/g;
Bending strength >=40MPa;
Than notch impact strength >=5 kJ m-2。
Claims (3)
1. a good toughness, foaming composite door window material can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of the raw material of following weight portion:
High elastic polypropylene fibers 2-5, isotactic polypropylene 60-70, SiO2 1-2, high melt strength, propylene 10-15, bamboo powder 30-40, activated carbon 10-15, polyethylene 1-2, schmigel 1-2, Cu (NO3)2
20-25, stearic acid 1-3, calcium stearate 1-3, blowing agent AC 1601 1-3, zinc stearate 10-15, NaOH solution 50-60, polyacrylate dispersion 1-3;
The particle diameter of described bamboo powder is 90-350 μm, and NaOH solution concentration is 1mol/L, Cu (NO3)2Concentration is 0.1 mol/L, and the solid content of polyacrylate dispersion is 40-50%.
A kind of good toughness the most according to claim 1, foaming composite door window material and preparation method thereof can be moulded except the bamboo of formaldehyde, it is characterised in that be made up of following steps:
a.
By SiO2, activated carbon, schmigel join in NaOH solution, after stirring 10-15min, soak 1-2h, clear water washs, and filters, and is dried under the conditions of 50-100 DEG C;Polyacrylate dispersion joins Cu (NO3)2Solution is made mixed liquor, dry activated carbon and diamond is joined after this mixed liquor stirs 10-15min, soak 0.5-1h, dry under the conditions of 90-130 DEG C, N2Under atmosphere, 300-500 DEG C of roasting 3-5h, obtain modified mixture;
b.
Bamboo powder is dried under the conditions of 100-120 DEG C 6-10h, to over dry;Then the bamboo powder of drying, high elastic polypropylene fibers, polyethylene are joined in high-speed mixer together with the isotactic polypropylene of 30-40 part, stirring is warming up to 150-200 DEG C, it is cooled to 30-50 DEG C after 10-30min, continues discharging after stirring 6-10min, obtain mixture;
c.
Step a gained modified mixture and step b gained mixture are joined in residue isotactic polypropylene, high melt strength, propylene mixture, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material;Premix material being put in torque rheometer after internally mix 10-15min, discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, stirs, through injection machine injection mo(u)lding.
A kind of good toughness the most according to claim 2, foaming composite door window material and preparation method thereof can be moulded except the bamboo of formaldehyde, it is characterised in that described torque rheometer temperature is set to 160-220 DEG C, and rotating speed is 30-50 r min-1。
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CN201610579062.1A CN106009297A (en) | 2016-07-22 | 2016-07-22 | High-toughness formaldehyde removing bamboo-plastic foamed composite door and window material and preparation method thereof |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107254120A (en) * | 2017-07-27 | 2017-10-17 | 合肥伊只门窗有限公司 | A kind of plastic-steel door and window material of high tenacity and preparation method thereof |
CN112225994A (en) * | 2020-11-03 | 2021-01-15 | 福建盛世中兴新材料有限公司 | Processing method of environment-friendly high-toughness foam product |
-
2016
- 2016-07-22 CN CN201610579062.1A patent/CN106009297A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107254120A (en) * | 2017-07-27 | 2017-10-17 | 合肥伊只门窗有限公司 | A kind of plastic-steel door and window material of high tenacity and preparation method thereof |
CN112225994A (en) * | 2020-11-03 | 2021-01-15 | 福建盛世中兴新材料有限公司 | Processing method of environment-friendly high-toughness foam product |
CN112225994B (en) * | 2020-11-03 | 2022-11-11 | 福建盛世中兴新材料有限公司 | Processing method of environment-friendly high-toughness foam product |
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