CN106147267A - A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cabinet slab and preparation method thereof - Google Patents
A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cabinet slab and preparation method thereof Download PDFInfo
- Publication number
- CN106147267A CN106147267A CN201610546628.0A CN201610546628A CN106147267A CN 106147267 A CN106147267 A CN 106147267A CN 201610546628 A CN201610546628 A CN 201610546628A CN 106147267 A CN106147267 A CN 106147267A
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- Prior art keywords
- graphene oxide
- butyl ester
- bulking agent
- bamboo
- graft polypropylene
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/14—Distributing or orienting the particles or fibres
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/06—Biodegradable
-
- 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
-
- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The invention discloses a kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent and mould cabinet slab, this Bamboo plastic plate material is made up of the raw material of following weight portion: bamboo powder 60 80, polylactic acid particle 25 30, zinc stearate 12, polymine 45, dehydrated alcohol are appropriate, naphthenic rubber is oily 5 10, silane coupler 12, antioxidant 0.1 0.2, graphene oxide graft polypropylene acid butyl ester bulking agent 46, nanometer fusing assistants 45.
Description
Technical field
The present invention relates to bamboo moulding material technical field, particularly relate to a kind of with the increasing of graphene oxide graft polypropylene acid butyl ester
The polylactic acid base bamboo holding agent modified moulds cabinet slab and preparation method thereof.
Background technology
Cabinet is a class storage closet the most common in daily household, is also the material that in household building materials, market is quite varied
Material, along with the change of the demand property of consumer's age level, the requirement to cabinet is the most durable, the environmental protection of product
Property, texture etc. are increasingly becoming consumer's focus of attention, make rational use of resources, it is achieved the sustainable development of industry simultaneously
Also it is the developing direction producing industry.
Cabinet slab is a ring particularly important in cabinet assembly, directly influences consumer and buys selection, current cabinet
Sheet material mainly has solid wood board, particieboard, density board etc., and wherein solid wood board is expensive, needs frequent maintaining, and resistance to water
Not enough；Though particieboard low cost, its intensity is low, and content of formaldehyde is high；Density board is smashed after mainly being soaked by timber etc.
High pressure compacting forms, and combination property is the most excellent, but its quality is still waited to improve, and uses the non-renewable resources such as timber.
China has extremely abundant bamboo resource, and bamboo wood has a good mechanical property, fast growth, uniqueness attractive in appearance,
Being the important substitution material of timber, be the sustainable resource of a kind of environment-friendly and green, it is come by more as a kind of emerging building materials
The most concerns.Bamboo moulding material is that bamboo powder is obtained by a class with plastics mixing co-extrusion, its texture having solid wood concurrently and plastics anti-
Water, water-fast, advantage, the performance requirement of cabinet slab of especially fitting such as be unlikely to deform.In actual production process, due to bamboo powder with
The compatibility of plastics is poor, and the requirement to production technology and auxiliary agent is very strict, is directly connected to the mechanical property of composite,
Also it is the key factor of restriction bamboo molding product quality." heat pressing process of bamboo powder/high density polyethylene (HDPE) (HDPE) composite grinds
Study carefully " literary composition is with maleic anhydride grafted polyethylene as compatilizer, and under the conditions of 180 DEG C, hot-pressing processing has obtained a kind of bamboo and has moulded proportioning relatively
High material, but the material comprehensive mechanical property obtained is poor, still is apparent not enough in processing characteristics as cabinet slab..
Summary of the invention
The object of the invention is contemplated to make up the defect of prior art, it is provided that a kind of with graphene oxide grafted polyacrylic acid
The polylactic acid base bamboo of butyl ester bulking agent modification moulds cabinet slab and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cabinet slab, this bamboo
Mould sheet material to be made up of the raw material of following weight portion: bamboo powder 60-80, polylactic acid particle 25-30, zinc stearate 1-2, polymine
4-5, dehydrated alcohol are appropriate, the oily 5-10 of naphthenic rubber, silane coupler 1-2, antioxidant 0.1-0.2, graphene oxide connect
Branch butyl polyacrylate bulking agent 4-6, nanometer fusing assistants 4-5.
Described graphene oxide graft polypropylene acid butyl ester bulking agent is prepared by the raw material of following weight portion: oxidation
Graphene 1-2, butyl acrylate 15-20, Ammonium persulfate. 1-2, DMF 5-8, Silane coupling agent KH550 0.1-
0.2, dehydrated alcohol 5-8, preparation method is: first puts in dehydrated alcohol by Silane coupling agent KH550, adds after being uniformly mixed
Entering graphene oxide, system is heated to 60-80 DEG C, and ultrasonic disperse 1.5-2h, and reaction terminates rear sucking filtration, after products therefrom washing
It is dried, obtains modified graphene oxide, then modified graphene oxide is put into together with butyl acrylate, Ammonium persulfate. N, N-bis-
Carrying out microwave exposure grafting process after being uniformly mixed in methylformamide, microwave power is 150-200W, and frequency is
3000-5000Hz, exposure time is 10-15min, irradiation terminate rear products therefrom be completely dried removing solvent i.e. obtain described oxygen
Functionalized graphene graft polypropylene butyl ester bulking agent.
Described nanometer fusing assistants is nanoscale polylactic acid.
Described a kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cupboard board
The preparation method of material is:
(1) first bamboo powder is processed through dehydrate, put into subsequently by silane coupler, polymine, anhydrous second
In the solution of alcohol mixed preparing soak reaction 2-3h, then pass through filter, dried obtain modified bamboo powder standby；
(2) graphene oxide graft polypropylene acid butyl ester bulking agent is mixed homogeneously standby with naphthenic rubber oil；
(3) melt pelletization after being mixed homogeneously with nanometer fusing assistants by polylactic acid particle, obtains polydactyl acid particle standby；
(4) modified bamboo powder, polydactyl acid particle are preheated to 60-in the material input high-speed mixer of step (2)
80 DEG C, mix and blend 40-50min, add other leftover materials subsequently, continue mix and blend 50-80min, after mix homogeneously
Preparing sheet material by die pressing, wherein molding preheating time is 20-30min, and molding temperature is 160-180 DEG C, and the dwell time is
4-5min, pressure is 10-12MPa, and cold pressing time 4-5min, and cold pressing pressure 10-15MPa, obtains described Bamboo plastic plate material.
Bamboo moulding material feature prepared by the present invention is:
(1) bamboo powder is put into after processed silane coupler, the ethanol solution of polymine mixed preparing
Middle modification, modified bamboo powder surface introduces organic group, and polarity reduces, and interface compatibility is higher, and it is thermally-stabilised
Property is more preferable.
(2) it is prepared for a kind of graphene oxide graft polypropylene butyl ester bulking agent, utilizes the amphiphilic that graphene oxide is unique
Property, it is blended for bamboo powder and organic facies and puts up a bridge, effectively improve the mechanical property of composite.
(3) in advance by polylactic acid and pelletize of nanometer fusing assistants, it is thus achieved that the higher material of degree of crystallinity, its melt fluidity
More preferably, mechanical property is more preferable.
To sum up, the bamboo prepared with present invention process is moulded product good mechanical performance, material internal structure consolidation, anti-impact
Pressure, durable in use, it is achieved that higher bamboo moulds ratio, reduce production cost, and this material fully biodegradable, environmental protection
Nontoxic, have a good application prospect in terms of making cabinet.
Detailed description of the invention
This embodiment Bamboo plastic plate material is made up of the raw material of following weight portion: bamboo powder 60, polylactic acid particle 25, zinc stearate 1,
Polymine 4, dehydrated alcohol are appropriate, naphthenic rubber is oily 5, the grafting of silane coupler 1, antioxidant 0.1, graphene oxide
Butyl polyacrylate bulking agent 4, nanometer fusing assistants 4.
Wherein graphene oxide graft polypropylene acid butyl ester bulking agent is prepared by the raw material of following weight portion: oxidation stone
Ink alkene 1, butyl acrylate 15, Ammonium persulfate. 1, DMF 5, Silane coupling agent KH550 0.1, dehydrated alcohol 5,
Preparation method is: first put in dehydrated alcohol by Silane coupling agent KH550, adds graphene oxide, body after being uniformly mixed
System is heated to 60 DEG C, and ultrasonic disperse 1.5h, and reaction terminates rear sucking filtration, is dried, obtains modified graphite oxide after products therefrom washing
Alkene, then puts into stirring in DMF mixed together with butyl acrylate, Ammonium persulfate. by modified graphene oxide
Carrying out microwave exposure grafting process after closing uniformly, microwave power is 150W, and frequency is 3000Hz, and exposure time is 10min, spoke
It is completely dried removing solvent according to products therefrom after terminating and i.e. obtains described graphene oxide graft polypropylene butyl ester bulking agent.
Wherein nanometer fusing assistants is nanoscale polylactic acid.
This embodiment preparation of plates method is:
(1) first bamboo powder is processed through dehydrate, put into subsequently by silane coupler, polymine, anhydrous second
In the solution of alcohol mixed preparing soak reaction 2h, then pass through filter, dried obtain modified bamboo powder standby；
(2) graphene oxide graft polypropylene acid butyl ester bulking agent is mixed homogeneously standby with naphthenic rubber oil；
(3) melt pelletization after being mixed homogeneously with nanometer fusing assistants by polylactic acid particle, obtains polydactyl acid particle standby；
(4) modified bamboo powder, polydactyl acid particle are preheated to 60 in the material input high-speed mixer of step (2)
DEG C, mix and blend 40min, add other leftover materials subsequently, continue mix and blend 50min, by molding after mix homogeneously
Legal system obtains sheet material, wherein mold preheating time be 20min, molding temperature is 160 DEG C, and the dwell time is 4min, and pressure is
10MPa, cold pressing time 4min, and cold pressing pressure 10MPa, obtains described Bamboo plastic plate material.
Above-mentioned prepared Bamboo plastic plate material is made test strip and is carried out performance measurement, and test result is as follows:
| Detection project | Testing result |
| Hot strength (MPa) | 40.2 |
| Bending strength (MPa) | 54.4 |
| Elongation at break (%) | 16.5 |
| Bending modulus (GPa) | 2.65 |
| 24h thickness swelling rate (%) | ≤1.5 |
| Impact strength (KJ/m2) | 11.8 |
Claims (4)
1. mould a cabinet slab with the polylactic acid base bamboo that graphene oxide graft polypropylene acid butyl ester bulking agent is modified, its feature
Being, this Bamboo plastic plate material is made up of the raw material of following weight portion: bamboo powder 60-80, polylactic acid particle 25-30, zinc stearate 1-2,
Polymine 4-5, dehydrated alcohol are appropriate, the oily 5-10 of naphthenic rubber, silane coupler 1-2, antioxidant 0.1-0.2, oxygen
Functionalized graphene graft polypropylene acid butyl ester bulking agent 4-6, nanometer fusing assistants 4-5.
A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent
Mould cabinet slab, it is characterised in that former by following weight portion of described graphene oxide graft polypropylene acid butyl ester bulking agent
Material prepares: graphene oxide 1-2, butyl acrylate 15-20, Ammonium persulfate. 1-2, DMF 5-8, silane
Coupling agent KH5500.1-0.2, dehydrated alcohol 5-8, preparation method is: first put in dehydrated alcohol by Silane coupling agent KH550,
Adding graphene oxide after being uniformly mixed, system is heated to 60-80 DEG C, and ultrasonic disperse 1.5-2h, and reaction is taken out after terminating
Filter, is dried after products therefrom washing, obtains modified graphene oxide, then by modified graphene oxide and butyl acrylate, over cure
Acid ammonium puts into together after being uniformly mixed in DMF and carries out microwave exposure grafting process, and microwave power is
150-200W, frequency is 3000-5000Hz, and exposure time is 10-15min, and irradiation terminates rear products therefrom and is completely dried removing
Solvent i.e. obtains described graphene oxide graft polypropylene butyl ester bulking agent.
A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent
Mould cabinet slab, it is characterised in that described nanometer fusing assistants is nanoscale polylactic acid.
A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent
Mould the preparation method of cabinet slab, it is characterised in that its preparation method is:
(1) first bamboo powder is processed through dehydrate, put into subsequently and mixed by silane coupler, polymine, dehydrated alcohol
Close preparation solution in soak reaction 2-3h, then pass through filter, dried obtain modified bamboo powder standby；
(2) graphene oxide graft polypropylene acid butyl ester bulking agent is mixed homogeneously standby with naphthenic rubber oil；
(3) melt pelletization after being mixed homogeneously with nanometer fusing assistants by polylactic acid particle, obtains polydactyl acid particle standby；
(4) modified bamboo powder, polydactyl acid particle are preheated to 60-80 DEG C in the material input high-speed mixer of step (2),
Mix and blend 40-50min, adds other leftover materials subsequently, continues mix and blend 50-80min, passes through mould after mix homogeneously
Platen press prepares sheet material, wherein mold preheating time be 20-30min, molding temperature is 160-180 DEG C, and the dwell time is 4-5min,
Pressure is 10-12MPa, and cold pressing time 4-5min, and cold pressing pressure 10-15MPa, obtains described Bamboo plastic plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546628.0A CN106147267A (en) | 2016-07-12 | 2016-07-12 | A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cabinet slab and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546628.0A CN106147267A (en) | 2016-07-12 | 2016-07-12 | A kind of polylactic acid base bamboo modified with graphene oxide graft polypropylene acid butyl ester bulking agent moulds cabinet slab and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109232982A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of preparation method of the modified graphene easily dispersed |
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| CN102731733A (en) * | 2011-04-08 | 2012-10-17 | 中国科学院上海应用物理研究所 | Polymer grafted graphene oxide and preparation method thereof |
| CN103588991A (en) * | 2013-11-20 | 2014-02-19 | 桂林理工大学 | Method for preparing hyperdispersant by adopting oxidized graphene and application thereof |
| CN104448567A (en) * | 2014-12-22 | 2015-03-25 | 河北科技大学 | Method for improving mechanical performance of composite material by grafting hyperbranched polyamide on plant fiber surface |
| CN105061650A (en) * | 2015-08-05 | 2015-11-18 | 新疆中泰化学股份有限公司 | Method for in-situ suspension polymerization preparation of polyvinyl chloride/graphene composite material |
-
2016
- 2016-07-12 CN CN201610546628.0A patent/CN106147267A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102153877A (en) * | 2011-02-22 | 2011-08-17 | 中国科学技术大学 | Graphene composite material and preparation method thereof |
| CN102731733A (en) * | 2011-04-08 | 2012-10-17 | 中国科学院上海应用物理研究所 | Polymer grafted graphene oxide and preparation method thereof |
| CN103588991A (en) * | 2013-11-20 | 2014-02-19 | 桂林理工大学 | Method for preparing hyperdispersant by adopting oxidized graphene and application thereof |
| CN104448567A (en) * | 2014-12-22 | 2015-03-25 | 河北科技大学 | Method for improving mechanical performance of composite material by grafting hyperbranched polyamide on plant fiber surface |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109232982A (en) * | 2017-07-10 | 2019-01-18 | 合肥杰事杰新材料股份有限公司 | A kind of preparation method of the modified graphene easily dispersed |
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Application publication date: 20161123 |
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