CN106084849A - A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab and preparation method thereof - Google Patents
A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab and preparation method thereof Download PDFInfo
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- CN106084849A CN106084849A CN201610547112.8A CN201610547112A CN106084849A CN 106084849 A CN106084849 A CN 106084849A CN 201610547112 A CN201610547112 A CN 201610547112A CN 106084849 A CN106084849 A CN 106084849A
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- Prior art keywords
- molecular weight
- high molecular
- bamboo fiber
- weight polyethylene
- modified bamboo
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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
- 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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/068—Ultra high molecular weight polyethylene
Abstract
The invention discloses a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, this Bamboo plastic plate material is made up of the raw material of following weight portion: modified bamboo fiber 50 60, Fanglun slurry cake 5 10, ultra-high molecular weight polyethylene 20 30, chitin 23, maleic anhydride grafted polyethylene 45, dopamine 0.4 0.5, castor oil hydrogenated 12, antioxidant 0.1 0.2, ionic liquid 58, zinc methacrylate 12, deionized water 10 15.
Description
Technical field
The present invention relates to bamboo moulding material technical field, particularly relate to a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene
Base 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.
Bamboo fibre has that draw ratio is big, specific strength is high, specific surface area is big, inexpensive, renewable etc. advantage, can use it for
Strengthen polymer matrix composite, under industry Sustainable Development Trend, will be a kind of green material with broad prospect of application
Material, especially in terms of cabinet production, the exclusive advantage of bamboo fiber material can improve the experience of conventional cabinet product, changes
The household of philanthropists is experienced.Produce the primary of Bamboo Fiber Reinforced Polymer based composites it is important that bamboo fibre to be modified place
Reason, improves the compatibility of itself and fluoropolymer resin body, to obtain the product of high comprehensive performance." surface of bamboo fibre can be analyzed
And strengthen the mechanical property of PP composite " literary composition is as a example by PP, after bamboo fibre carries out alkali process-silane coupler process
Molded with PP compound thermal, although the compatible wellability that this method processes bamboo fibre and the PP obtained is improved, but high
Fiber can be caused damage by the aqueous slkali of concentration, destroys the mechanical strength of material, does not reaches gratifying reinforced effects.
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 modified bamboo fiber reinforcement super high molecular weight
Polyvinyl cabinet slab and preparation method thereof.
The present invention is achieved by the following technical solutions:
A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, this Bamboo plastic plate material is by the raw material of following weight portion
Make: modified bamboo fiber 50-60, Fanglun slurry cake 5-10, ultra-high molecular weight polyethylene 20-30, chitin 2-3, maleic anhydride connect
Branch polyethylene 4-5, dopamine 0.4-0.5, castor oil hydrogenated 1-2, antioxidant 0.1-0.2, ionic liquid 5-8, methacrylic acid
Zinc 1-2, deionized water 10-15.
Described a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, described modified bamboo fiber
Preparation method is: bamboo fibre first puts into sodium hydroxide solution immersion treatment 30-40min that concentration is 5%, then passes through filter, water
Being completely dried after being washed till neutrality, products therefrom puts into titanate coupling agent/ethanol solution mixing immersion treatment that concentration is 1-5%
2-5h, process filters after terminating, gained drying materials, then put in the aq. polyethyleneimine that concentration is 1-5%, adds
Hot to 80-90 DEG C, confined reaction 10-15h, react and filter after terminating, gained material 2-3 post-drying of washing, obtain described
Modified bamboo fiber, wherein bamboo fibre and sodium hydroxide solution, titanate coupling agent/ethanol solution, aq. polyethyleneimine
Bath raio is 1:10-20:5-10:10-15.
Described a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, described length of bamboo fibre is
40-50mm, a diameter of 50-100 μm.
The preparation method of described a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, its preparation side
Method is:
(1) dopamine is put in deionized water, after it is completely dissolved, adds Fanglun slurry cake, take out after soaking 20-30h, water
Drying completely after washing 2-3 time, the Fanglun slurry cake obtaining surface modification is standby；
(2) by ultra-high molecular weight polyethylene, maleated polyethylene, surface modification Fanglun slurry cake, ionic liquid and except modification
Melt spinning after other leftover materials high-speed stirred mix homogeneously outside bamboo fibre, makes a length of 50-80mm, a diameter of 50-
The composite fibre of 100 μm is standby；
(3) shredding 2-3 time again after mixing after composite fibre shredding respectively prepared by modified bamboo fiber and step (2),
Make composite fibrofelt by combing, needling process subsequently, the fiber felt parallel layers of gained is spread, at a temperature of 150-180 DEG C,
Hot-pressing processing 15-30min under 10-15MPa pressure, obtains described sheet material.
The invention have the advantage that bamboo fibre is processed first with traditional alkali treatment method by (1), remove its surface miscellaneous
Matter, improves the reactivity of the group on its surface, subsequently under titanate coupling agent and polymine act on jointly, fine in bamboo
Dimension table face graft, improve bamboo fibre intensity and with the compatibility of resin material, improve tradition alkali treatment method pair
The damage of bamboo fibre intensity.
(2) using ultra-high molecular weight polyethylene as resin binder, it is simultaneously introduced maleic anhydride grafted polyethylene, surface modification
The raw material such as Fanglun slurry cake, ionic liquid, has prepared and has had very high strength, aging resistance, the wear-resisting and compound tree of high surface
Fat fiber, the compatibility with bamboo fibre promotes further.
To sum up, bamboo fibre is introduced resin material by composite board efficiently that prepare with inventive formulation and technique
In, it is thus achieved that higher bamboo moulds ratio, reduces production cost, and product has excellent mechanical property, durable in use, antibacterial removes
Smelly, closely knit waterproof, without volatile harmful material, have a good application prospect in terms of making environmental protection cabinet.
Detailed description of the invention
A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, this Bamboo plastic plate material is by following weight portion
Raw material is made: modified bamboo fiber 50, Fanglun slurry cake 5, ultra-high molecular weight polyethylene 20, chitin 2, maleic anhydride grafted polyethylene
4, dopamine 0.4, castor oil hydrogenated 1, antioxidant 0.1, ionic liquid 5, zinc methacrylate 1, deionized water 10.
Wherein the preparation method of modified bamboo fiber is: first put into by bamboo fibre at the sodium hydroxide solution immersion that concentration is 5%
Reason 30min, then pass through filter, be washed to neutrality after be completely dried, products therefrom input concentration be 1% titanate coupling agent/second
Alcoholic solution mixes immersion treatment 2h, and process is filtered after terminating, gained drying materials, then is put into the polyethyleneimine that concentration is 1%
In amine aqueous solution, it is heated to 80 DEG C, confined reaction 10h, react and filter after terminating, gained material 2 post-dryings of washing, obtain institute
The modified bamboo fiber stated, wherein bamboo fibre and sodium hydroxide solution, titanate coupling agent/ethanol solution, polymine are water-soluble
The bath raio of liquid is 1:10:5:10.
Wherein length of bamboo fibre is 40mm, a diameter of 50 μm.
The preparation method of this bamboo fibre sheet material is:
(1) dopamine is put in deionized water, after it is completely dissolved, adds Fanglun slurry cake, take out after soaking 20h, wash 2
Drying completely after secondary, the Fanglun slurry cake obtaining surface modification is standby；
(2) by ultra-high molecular weight polyethylene, maleated polyethylene, surface modification Fanglun slurry cake, ionic liquid and except modification
Melt spinning after other leftover materials high-speed stirred mix homogeneously outside bamboo fibre, makes a length of 50mm, a diameter of 50 μm
Composite fibre is standby；
(3) shredding 2 times again after mixing after composite fibre shredding respectively prepared by modified bamboo fiber and step (2), with
Make composite fibrofelt by combing, needling process afterwards, the fiber felt parallel layers of gained is spread, at a temperature of 150 DEG C, 10MPa
Hot-pressing processing 30min under pressure, makes standard specimen.
The above-mentioned standard specimen prepared is carried out performance test, and test result is:
Hot strength: 54.5MPa；Stretch modulus: 0.52GPa；Bending strength: 42.3MPa；Bending modulus: 0.72GPa；Fracture
Percentage elongation: 8.4%；Fracture load by bending retention rate after aging 2000h: 102.
Claims (4)
1. a modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab, it is characterised in that this Bamboo plastic plate material by with
The raw material of lower weight portion is made: modified bamboo fiber 50-60, Fanglun slurry cake 5-10, ultra-high molecular weight polyethylene 20-30, chitin
2-3, maleic anhydride grafted polyethylene 4-5, dopamine 0.4-0.5, castor oil hydrogenated 1-2, antioxidant 0.1-0.2, ionic liquid
5-8, zinc methacrylate 1-2, deionized water 10-15.
2. a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab as claimed in claim 1, its feature exists
In, the preparation method of described modified bamboo fiber is: bamboo fibre first puts into the sodium hydroxide solution immersion treatment that concentration is 5%
30-40min, then pass through filter, be washed to neutrality after be completely dried, it is the titanate esters coupling of 1-5% that products therefrom puts into concentration
Agent/ethanol solution mixing immersion treatment 2-5h, process filters after terminating, gained drying materials, then to be put into concentration be 1-5%
Aq. polyethyleneimine in, be heated to 80-90 DEG C, confined reaction 10-15h, reaction terminate after filter, gained material wash
2-3 post-drying, obtains described modified bamboo fiber, and wherein bamboo fibre and sodium hydroxide solution, titanate coupling agent/ethanol are molten
Liquid, the bath raio of aq. polyethyleneimine are 1:10-20:5-10:10-15.
3. a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab as claimed in claim 2, its feature exists
In, described length of bamboo fibre is 40-50mm, a diameter of 50-100 μm.
The preparation side of a kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab the most as claimed in claim 2
Method, it is characterised in that its preparation method is:
(1) dopamine is put in deionized water, after it is completely dissolved, adds Fanglun slurry cake, take out after soaking 20-30h, water
Drying completely after washing 2-3 time, the Fanglun slurry cake obtaining surface modification is standby；
(2) by ultra-high molecular weight polyethylene, maleated polyethylene, surface modification Fanglun slurry cake, ionic liquid and except modification
Melt spinning after other leftover materials high-speed stirred mix homogeneously outside bamboo fibre, makes a length of 50-80mm, a diameter of 50-
The composite fibre of 100 μm is standby；
(3) shredding 2-3 time again after mixing after composite fibre shredding respectively prepared by modified bamboo fiber and step (2),
Make composite fibrofelt by combing, needling process subsequently, the fiber felt parallel layers of gained is spread, at a temperature of 150-180 DEG C,
Hot-pressing processing 15-30min under 10-15MPa pressure, obtains described sheet material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610547112.8A CN106084849A (en) | 2016-07-12 | 2016-07-12 | A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610547112.8A CN106084849A (en) | 2016-07-12 | 2016-07-12 | A kind of modified bamboo fiber reinforcement ultra-high molecular weight polyethylene base cabinet slab and preparation method thereof |
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| CN106084849A true CN106084849A (en) | 2016-11-09 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410482A (en) * | 2019-09-10 | 2020-07-14 | 宋文奇 | Preparation method of lightweight high-strength concrete |
| CN112322064A (en) * | 2020-11-12 | 2021-02-05 | 东北林业大学 | Method for reinforcing wood powder/polyolefin composite material by using surface-treated continuous aramid fiber |
| CN116041829A (en) * | 2023-01-13 | 2023-05-02 | 上海博阳包装技术有限公司 | Fresh-keeping packaging film and preparation method thereof |
| CN116041829B (en) * | 2023-01-13 | 2024-05-10 | 上海博阳包装技术有限公司 | Fresh-keeping packaging film and preparation method thereof |
-
2016
- 2016-07-12 CN CN201610547112.8A patent/CN106084849A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111410482A (en) * | 2019-09-10 | 2020-07-14 | 宋文奇 | Preparation method of lightweight high-strength concrete |
| CN111423179A (en) * | 2019-09-10 | 2020-07-17 | 宋文奇 | Preparation method of light high-strength concrete |
| CN112322064A (en) * | 2020-11-12 | 2021-02-05 | 东北林业大学 | Method for reinforcing wood powder/polyolefin composite material by using surface-treated continuous aramid fiber |
| CN112322064B (en) * | 2020-11-12 | 2021-09-28 | 东北林业大学 | Method for reinforcing wood powder/polyolefin composite material by using surface-treated continuous aramid fiber |
| CN116041829A (en) * | 2023-01-13 | 2023-05-02 | 上海博阳包装技术有限公司 | Fresh-keeping packaging film and preparation method thereof |
| CN116041829B (en) * | 2023-01-13 | 2024-05-10 | 上海博阳包装技术有限公司 | Fresh-keeping packaging film and preparation method thereof |
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Application publication date: 20161109 |