CN106117798A - A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof - Google Patents

A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof Download PDF

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Publication number
CN106117798A
CN106117798A CN201610579063.6A CN201610579063A CN106117798A CN 106117798 A CN106117798 A CN 106117798A CN 201610579063 A CN201610579063 A CN 201610579063A CN 106117798 A CN106117798 A CN 106117798A
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China
Prior art keywords
bamboo
heavy metal
activated carbon
metal ion
stirring
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CN201610579063.6A
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Chinese (zh)
Inventor
陈学军
吴珍梅
徐琼琼
曹蕾
沈中
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Anhui Province Sanle Energy-Saving Technology Consulting Co Ltd
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Anhui Province Sanle Energy-Saving Technology Consulting Co Ltd
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Priority to CN201610579063.6A priority Critical patent/CN106117798A/en
Publication of CN106117798A publication Critical patent/CN106117798A/en
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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
    • 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
    • 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
    • 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
    • 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
    • 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
    • C08J2497/00—Characterised by the use of lignin-containing materials
    • C08J2497/02—Lignocellulosic material, e.g. wood, straw or bagasse
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00—Specific properties of additives
    • C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/14—Applications used for foams
    • 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)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

The invention discloses a kind of bamboo removing formaldehyde and heavy metal ion and mould expanded material and preparation method thereof, it is characterized in that, it is to be prepared by the raw material of following weight portion: CuS 12, isotactic polypropylene 60 70, polylactic acid 12, high melt strength, propylene 10 15, bamboo powder 30 40, activated carbon 10 15, schmigel 12, silica white 12, Cu (NO3)220 25, stearic acid 13, calcium stearate 13, blowing agent AC 1,601 13, zinc stearate 10 15, NaOH solution 50 60, polyacrylate dispersion 13；Present invention polyacrylate and Cu (NO3)2Activated carbon and diamond are modified, promote Cu (NO3)2Load in activated carbon and diamond surface and duct；Coordinate and with the addition of CuS, there is the function of adsorbing heavy metal ions.

Description

A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof
Technical field
The present invention relates to a kind of bamboo-plastic composite material, particularly relate to a kind of bamboo removing formaldehyde and heavy metal ion and mould foaming Material and preparation method thereof.
Background technology
Bamboo moulds foam composite material because overcoming the defects such as bamboo-plastic composite material density is big, fragility is big, recently enjoys pass Note.The matrix of bamboo-plastic composite material mainly has polrvinyl chloride and polyolefin plastics.Polrvinyl chloride based composites is manufacturing, is using And can be to environment during waste treatment, rigidity and the maximum operation (service) temperature of polyethylene based composition are relatively low, and are difficult to Degraded.Therefore, polypropylene (PP) Wood-plastic foam composite becomes recent study focus.Bamboo moulds foam composite material application Wide range, relates to auto industry and transport service, building trade, packaging industry, furniture and decorative craft, office equipment and body Educate the many aspects such as equipment.
Frighten star week in the impact of foam composite material performance " titanate coupling agent bamboo moulded ", utilize bamboo powder and poly-third Alkene, high melt strength, propylene are prepared for a kind of bamboo and mould foam composite material, but its mechanical strength has much room for improvement, and this is multiple The functionalization of condensation material is the most perfect, limits bamboo and moulds 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, to current bamboo Mould the intensity difference of expanded material existence, functional imperfection improves, and the technical solution used in the present invention is as follows:
1. can mould expanded material except the bamboo of formaldehyde and heavy metal ion for one kind, it is characterised in that by the raw material system of following weight portion Become:
CuS 1-2, isotactic polypropylene 60-70, polylactic acid 1-2, high melt strength, propylene 10-15, bamboo powder 30-40, activated carbon 10-15, schmigel 1-2, silica white 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, poly- The solid content of acrylic acid ester emulsion is 40-50%.
2. a kind of bamboo removing formaldehyde and heavy metal ion described in moulds expanded material and preparation method thereof, and its feature exists In, it is made up of following steps:
A. joining in NaOH solution by activated carbon, schmigel, after stirring 10-15min, soak 1-2h, clear water washs, and filters, It is dried under the conditions of 50-100 DEG C；Polyacrylate dispersion, polylactic acid join Cu (NO3)2Solution is made mixed liquor, will be dried Activated carbon and diamond, CuS join in this mixed liquor and stir after 10-15min, soak 0.5-1h, under the conditions of 90-130 DEG C Dry, 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 by the bamboo powder dried and silica white, 30-40 The isotactic polypropylene of part joins in high-speed mixer together, and stirring is warming up to 150-200 DEG C, is cooled to 30-after 10-30min 50 DEG C, continue discharging after stirring 6-10min, obtain mixture；
C. step a gained modified mixture and step b gained mixture are joined residue isotactic polypropylene, high fondant-strength In polypropylene miser, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material；Will be pre- Batch mixing is put in torque rheometer after internally mix 10-15min, and discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, and stirring is all Even, 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 and urge Change the life-span, give the function of the adsorbable formaldehyde of target material, extend its application；At high temperature calcine, Cu (NO3)2Can pyrolytic For CuO, can absorption degradation formaldehyde effectively, coordinate the characterization of adsorption of activated carbon, reach excellent formaldehyde absorbing efficiency；Buddha's warrior attendant The addition of stone also increases mechanical strength and the formaldehyde absorbing efficiency of this composite；With isotactic polypropylene, bamboo powder is wrapped Wrap up in, reduce bamboo fibre and decompose, improve plastic substrate and the affinity of bamboo fibre and mobility；Coordinate and utilize high fondant-strength poly-third Alkene is prepared bamboo and is moulded foam composite material so that this material rate of closed hole is high, has light weight, intensity height, the advantage of low cost；Coordinate With the addition of CuS, there is the function of adsorbing heavy metal ions.
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 knot Close specific embodiment, the present invention is expanded on further.
Embodiment
A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material, it is characterised in that by the raw material of following weight portion Make:
CuS 2, isotactic polypropylene 70, polylactic acid 2, high melt strength, propylene 15, bamboo powder 40, activated carbon 15, schmigel 2, silicon Rubber powder 1, Cu (NO3)225, stearic acid 3, calcium stearate 3, blowing agent AC 1,601 3, zinc stearate 15, NaOH solution 60, poly-third Olefin(e) acid ester emulsion 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, poly- The solid content of acrylic acid ester emulsion is 40-50%.
Described a kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof, it is characterised in that It is made up of following steps:
A. joining in NaOH solution by activated carbon, schmigel, after stirring 10-15min, soak 1-2h, clear water washs, and filters, It is dried under the conditions of 50-100 DEG C；Polyacrylate dispersion, polylactic acid join Cu (NO3)2Solution is made mixed liquor, will be dried Activated carbon and diamond, CuS join in this mixed liquor and stir after 10-15min, soak 0.5-1h, under the conditions of 90-130 DEG C Dry, 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 by the bamboo powder dried and silica white, 30-40 The isotactic polypropylene of part joins in high-speed mixer together, and stirring is warming up to 150-200 DEG C, is cooled to 30-after 10-30min 50 DEG C, continue discharging after stirring 6-10min, obtain mixture；
C. step a gained modified mixture and step b gained mixture are joined residue isotactic polypropylene, high fondant-strength In polypropylene miser, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material；Will be pre- Batch mixing is put in torque rheometer after internally mix 10-15min, and discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, and stirring is all Even, 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. can mould expanded material except the bamboo of formaldehyde and heavy metal ion for one kind, it is characterised in that by the raw material system of following weight portion Become:
CuS 1-2, isotactic polypropylene 60-70, polylactic acid 1-2, high melt strength, propylene 10-15, bamboo powder 30-40, activated carbon 10-15, schmigel 1-2, silica white 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, poly-third The solid content of olefin(e) acid ester emulsion is 40-50%.
A kind of bamboo removing formaldehyde and heavy metal ion the most according to claim 1 moulds expanded material and preparation method thereof, It is characterized in that, be made up of following steps:
A. joining in NaOH solution by activated carbon, schmigel, after stirring 10-15min, soak 1-2h, clear water washs, and filters, It is dried under the conditions of 50-100 DEG C；Polyacrylate dispersion, polylactic acid join Cu (NO3)2Solution is made mixed liquor, will be dried Activated carbon and diamond, CuS join in this mixed liquor and stir after 10-15min, soak 0.5-1h, under the conditions of 90-130 DEG C Dry, 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 by the bamboo powder dried and silica white, 30-40 The isotactic polypropylene of part joins in high-speed mixer together, and stirring is warming up to 150-200 DEG C, is cooled to 30-after 10-30min 50 DEG C, continue discharging after stirring 6-10min, obtain mixture；
C. step a gained modified mixture and step b gained mixture are joined residue isotactic polypropylene, high fondant-strength In polypropylene miser, add stearic acid and calcium stearate, in high-speed mixer, mix 8-12min, prepare premix material；Will be pre- Batch mixing is put in torque rheometer after internally mix 10-15min, and discharging is pulverized, and adds blowing agent AC 1601 and zinc stearate, and stirring is all Even, through injection machine injection mo(u)lding.
A kind of bamboo removing formaldehyde and heavy metal ion the most according to claim 2 moulds expanded material and preparation method thereof, It is characterized in that, described torque rheometer temperature is set to 160-220 DEG C, and rotating speed is 30-50 r min-1。
CN201610579063.6A 2016-07-22 2016-07-22 A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof Pending CN106117798A (en)

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Application Number Priority Date Filing Date Title
CN201610579063.6A CN106117798A (en) 2016-07-22 2016-07-22 A kind of bamboo removing formaldehyde and heavy metal ion moulds expanded material and preparation method thereof

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176351A (en) * 2017-12-29 2018-06-19 薛彦芳 A kind of sewage disposal vermiculite based material and its preparation method and application

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108176351A (en) * 2017-12-29 2018-06-19 薛彦芳 A kind of sewage disposal vermiculite based material and its preparation method and application

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Application publication date: 20161116

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