CN106189307A - A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab and preparation method thereof - Google Patents
A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab and preparation method thereof Download PDFInfo
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- CN106189307A CN106189307A CN201610546857.2A CN201610546857A CN106189307A CN 106189307 A CN106189307 A CN 106189307A CN 201610546857 A CN201610546857 A CN 201610546857A CN 106189307 A CN106189307 A CN 106189307A
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- Prior art keywords
- bamboo
- carbon nano
- graphene oxide
- fiber
- containing carbon
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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
-
- 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
- C08K2201/011—Nanostructured additives
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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
-
- 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
Abstract
The invention discloses a kind of high-strength polyethylene base bamboo containing carbon nano-fiber and mould cabinet slab, this Bamboo plastic plate material is made up of the raw material of following weight portion: bamboo powder 60 80, polyethylene particles 25 35, ten dihydroxystearic acid 12, carbon nano-fiber 12, polymine 45, dehydrated alcohol are appropriate, silane coupler 12, polypropylene wax 23, antioxidant 0.1 0.2, polyvinyl alcohol 35, graphene oxide grafting hyper-branched polyester bulking agent 56.
Description
Technical field
The present invention relates to bamboo moulding material technical field, particularly relate to a kind of high-strength polyethylene base bamboo containing carbon nano-fiber
Mould 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 poly-second of the high intensity containing carbon nano-fiber
Thiazolinyl bamboo moulds cabinet slab and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab, and this Bamboo plastic plate material is by following weight portion
Raw material is made: bamboo powder 60-80, polyethylene particles 25-35, ten dihydroxystearic acid 1-2, carbon nano-fiber 1-2, polymine
4-5, dehydrated alcohol are appropriate, silane coupler 1-2, polypropylene wax 2-3, antioxidant 0.1-0.2, polyvinyl alcohol 3-5, oxidation stone
Ink alkene grafting hyper-branched polyester bulking agent 5-6.
Described graphene oxide grafting hyper-branched polyester bulking agent is prepared by the raw material of following weight portion: oxidation stone
Ink alkene 1-2, superbrnaching end-hydroxy polyester 15-20, Silane coupling agent KH550 0.1-0.2, dehydrated alcohol 5-8, preparation method is:
First putting in dehydrated alcohol by Silane coupling agent KH550, add graphene oxide after being uniformly mixed, system is heated to 60-
80 DEG C, and ultrasonic disperse 1.5-2h, reaction terminates rear sucking filtration, is dried, obtains modified graphene oxide, then after products therefrom washing
Modified graphene oxide is put in high-speed mixer together with superbrnaching end-hydroxy polyester, after being uniformly mixed, puts into double spiral shell
Melt blending pelletize in bar extruder, obtains described graphene oxide grafting hyper-branched polyester bulking agent.
The preparation method that described a kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab is:
(1) first bamboo powder is processed through dehydrate, put into subsequently by 1-1.5 weight portion silane coupler, ten dihydroxies
Base stearic acid, polymine, dehydrated alcohol mixed preparing solution in soak reaction 2-3h, then pass through filter, dried must
Modified bamboo powder is standby；
(2) carbon nano-fiber is mixed with the silane coupler of surplus be uniformly dispersed standby；
(3) melt pelletization after polyethylene particles being mixed homogeneously with step (2) material and polyvinyl alcohol high-speed stirred,
Modified poly ethylene particle is standby；
(4) modified bamboo powder, modified poly ethylene particle are preheated to 60-in the material input high-speed mixer of step (2)
80 DEG C, mix and blend 10-15min, add other leftover materials subsequently, be warming up to 80-100 DEG C, continue mix and blend 5-
10min, prepares sheet material by die pressing after mix homogeneously, wherein mold preheating time be 20-30min, molding temperature is 125-
135 DEG C, the dwell time is 4-5min, and pressure is 6-8MPa, and cold pressing time 3-5min, and cold pressing pressure 10-12MPa, 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, ten dihydroxystearic acids, polymine mixed preparing
Ethanol solution in modification, the feature utilizing bamboo powder surface to contain great amount of hydroxy group, introduce organic group, improve bamboo
Powder and the compatibility of resin material, further improve the mechanical property of bamboo powder simultaneously.
(2) it is prepared for a kind of graphene oxide grafting hyper-branched polyester bulking agent, utilizes the amphiphilic that graphene oxide is unique
Property, it being blended for bamboo powder and organic facies and put up a bridge, reduce interface-potential, improve the adhesion of storeroom, superbrnaching end-hydroxy gathers in addition
Ester can effectively reduce melt processing temperature, promotes melt flows.
(3) in advance by polyethylene and a pelletize such as carbon nano-fiber, polyvinyl alcohol, improve the dispersion of carbon nano-fiber
Property, it is thus achieved that performance is more uniformly distributed stable material modified.
To sum up, the bamboo prepared with present invention process is moulded product to be had higher bamboo and moulds ratio, reduces production cost, with
Time improve the mechanical property of composite by adding the method such as Nano carbon fibers peacekeeping bulking agent, the material finally given has concurrently
Good hot strength and impact resistance, structure is compacted uniformly, durable, environment-protecting asepsis, in terms of making high-end cabinet
Have a good application prospect.
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, polyethylene particles 25, ten dihydroxy are hard
Fat acid 1, carbon nano-fiber 1, polymine 4, dehydrated alcohol are appropriate, silane coupler 1, polypropylene wax 2, antioxidant 0.1,
Polyvinyl alcohol 3, graphene oxide grafting hyper-branched polyester bulking agent 5.
Wherein graphene oxide grafting hyper-branched polyester bulking agent is prepared by the raw material of following weight portion: graphite oxide
Alkene 1, superbrnaching end-hydroxy polyester 15, Silane coupling agent KH550 0.1, dehydrated alcohol 5, preparation method is: first by silane coupled
Agent KH550 puts in dehydrated alcohol, adds graphene oxide after being uniformly mixed, and system is heated to 60 DEG C, and ultrasonic disperse
1.5h, reaction terminates rear sucking filtration, is dried, obtains modified graphene oxide, then by modified graphene oxide after products therefrom washing
Put into together with superbrnaching end-hydroxy polyester in high-speed mixer, after being uniformly mixed, put into melted in double screw extruder being total to
Mixed pelletize, obtains described graphene oxide grafting hyper-branched polyester bulking agent.
This preparation of plates method is:
(1) first bamboo powder is processed through dehydrate, put into by 1 weight portion silane coupler, ten dihydroxy hard subsequently
Fat acid, polymine, dehydrated alcohol mixed preparing solution in soak reaction 2h, then pass through filter, dried obtain modified bamboo
Powder is standby；
(2) carbon nano-fiber is mixed with the silane coupler of surplus be uniformly dispersed standby；
(3) melt pelletization after polyethylene particles being mixed homogeneously with step (2) material and polyvinyl alcohol high-speed stirred,
Modified poly ethylene particle is standby；
(4) modified bamboo powder, modified poly ethylene particle are preheated to 60 in the material input high-speed mixer of step (2)
DEG C, mix and blend 10min, add other leftover materials subsequently, be warming up to 80 DEG C, continue mix and blend 5min, mix homogeneously
Prepare sheet material by die pressing afterwards, wherein mold preheating time be 20min, molding temperature is 125 DEG C, and the dwell time is 4min,
Pressure is 6MPa, and cold pressing time 3min, 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) | 70.2 |
| Bending strength (MPa) | 78.5 |
| Elongation at break (%) | 28.1 |
| Bending modulus (GPa) | 5.0 |
| 24h thickness swelling rate (%) | ≤1.5 |
| Impact strength (KJ/m2) | 20.2 |
Claims (3)
1. the high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab, it is characterised in that this Bamboo plastic plate material by with
The raw material of lower weight portion is made: bamboo powder 60-80, polyethylene particles 25-35, ten dihydroxystearic acid 1-2, carbon nano-fiber 1-2,
Polymine 4-5, dehydrated alcohol are appropriate, silane coupler 1-2, polypropylene wax 2-3, antioxidant 0.1-0.2, polyvinyl alcohol
3-5, graphene oxide grafting hyper-branched polyester bulking agent 5-6.
A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab, and its feature exists
In, described graphene oxide grafting hyper-branched polyester bulking agent is prepared by the raw material of following weight portion: graphene oxide
1-2, superbrnaching end-hydroxy polyester 15-20, Silane coupling agent KH550 0.1-0.2, dehydrated alcohol 5-8, preparation method is: first will
Silane coupling agent KH550 puts in dehydrated alcohol, adds graphene oxide after being uniformly mixed, and system is heated to 60-80 DEG C,
And ultrasonic disperse 1.5-2h, reaction terminates rear sucking filtration, is dried, obtains modified graphene oxide, then will change after products therefrom washing
Property graphene oxide put into together with superbrnaching end-hydroxy polyester in high-speed mixer, after being uniformly mixed put into twin screw squeeze
Go out melt blending pelletize in machine, obtain described graphene oxide grafting hyper-branched polyester bulking agent.
A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds the preparation side of cabinet slab
Method, it is characterised in that its preparation method is:
(1) first bamboo powder is processed through dehydrate, put into by 1-1.5 weight portion silane coupler, ten dihydroxy hard subsequently
Fat acid, polymine, dehydrated alcohol mixed preparing solution in soak reaction 2-3h, then pass through filter, dried must be modified
Bamboo powder is standby；
(2) carbon nano-fiber is mixed with the silane coupler of surplus be uniformly dispersed standby；
(3) melt pelletization after polyethylene particles being mixed homogeneously with step (2) material and polyvinyl alcohol high-speed stirred, obtains modified
Polyethylene particles is standby；
(4) modified bamboo powder, modified poly ethylene particle are preheated to 60-80 DEG C in the material input high-speed mixer of step (2),
Mix and blend 10-15min, adds other leftover materials subsequently, is warming up to 80-100 DEG C, continues mix and blend 5-10min, mixed
Preparing sheet material by die pressing after closing uniformly, wherein molding preheating time is 20-30min, and molding temperature is 125-135 DEG C, guarantor
The pressure time is 4-5min, and pressure is 6-8MPa, and cold pressing time 3-5min, and cold pressing pressure 10-12MPa, obtains described Bamboo plastic plate material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546857.2A CN106189307A (en) | 2016-07-12 | 2016-07-12 | A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610546857.2A CN106189307A (en) | 2016-07-12 | 2016-07-12 | A kind of high-strength polyethylene base bamboo containing carbon nano-fiber moulds cabinet slab and preparation method thereof |
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| CN106189307A true CN106189307A (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116769270A (en) * | 2023-06-25 | 2023-09-19 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
Citations (3)
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|---|---|---|---|---|
| CN102153877A (en) * | 2011-02-22 | 2011-08-17 | 中国科学技术大学 | Graphene composite material 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 |
-
2016
- 2016-07-12 CN CN201610546857.2A patent/CN106189307A/en active Pending
Patent Citations (3)
| 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 |
| 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 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116769270A (en) * | 2023-06-25 | 2023-09-19 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
| CN116769270B (en) * | 2023-06-25 | 2024-03-08 | 广东丙辛新材料有限公司 | Low-density high-pressure polyethylene closed-cell foam plastic plate and production process thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
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| RJ01 | Rejection of invention patent application after publication |