CN109762327A - A kind of bamboo fiber reinforcement nylon composite materials and preparation method thereof - Google Patents
A kind of bamboo fiber reinforcement nylon composite materials and preparation method thereof Download PDFInfo
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- CN109762327A CN109762327A CN201910033550.6A CN201910033550A CN109762327A CN 109762327 A CN109762327 A CN 109762327A CN 201910033550 A CN201910033550 A CN 201910033550A CN 109762327 A CN109762327 A CN 109762327A
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Abstract
The invention discloses a kind of bamboo fiber reinforcement nylon composite materials and preparation method thereof, which is made: PA6 33~72% of the raw material of following weight percent；PA1212 0-35%；Bamboo fibre 10~40%；Lysine based isocyanate 1~6%；Toughener 2-10%；POE-g-MAH 1~8%.Preparation method of the invention, it include: to be uniformly mixed PA6, PA1212, bamboo fibre, lysine based isocyanate, toughener and POE-g-MAH using mixing machine, then after utilizing double screw extruder melt blending extrusion, tie rod, air-cooled, granulation, bamboo fiber reinforcement nylon composite materials are obtained.Material mechanical performance of the present invention is excellent, and preparation cost is low, and preparation process is simple.
Description
Technical field
The present invention relates to nylon composite materials technical fields, and in particular to a kind of bamboo fiber reinforcement nylon composite materials and its
Preparation method.
Background technique
Bamboo fibre is a kind of natural environmental-protective type green fiber truly, and bamboo fibre is since its is low in cost, density
Small, machinability is good, becomes the fifth-largest natural fiber after cotton, fiber crops, hair, silk.It is a kind of high-tenacity low-elongation fiber, is had
Higher wearability and good dyeability.In addition to this, bamboo fibre have again abundance, environmentally protective, negative ion health,
Natural antibacterial, antibacterial, anti-mite, deodorization, humidity absorption and release and the incomparable day of other fibers such as good permeability and uvioresistant
Right characteristic is a big hot spot of environmentally friendly material.In addition, a large amount of uses of bamboo fibre are conducive to alleviate petroleum resources shortage
With promotion green, low-carbon and sustainability expanding economy.Therefore, bamboo fiber reinforcement nylon is wide in the application prospect of automotive field
It is wealthy.
Application publication number is that the Chinese invention patent application of CN 106675005A (application No. is 201611223225.9) is public
It has opened a kind of long bamboo fiber reinforcement nylon resin composite material of green natural and preparation method, the composite material includes following weight
The raw material of number meter: 6 40~80 parts of nylon, 10~30 parts of nylon66 fiber, 20~60 parts of long bamboo fibre, 0.5~1 part of lubricant,
0.1~1.5 part of antioxidant, which prepares the modification of good fluidity, rigidity-toughness balanced for long bamboo fibre and nylon blending
Nylon.But without using compatilizer and coupling agent modified bamboo fibre.
Summary of the invention
In order to overcome problems of the prior art, the present invention is reaction compatilizer with lysine based isocyanate, is mentioned
A kind of bamboo fiber reinforcement nylon composite materials and preparation method thereof are supplied, material mechanical performance is excellent, and preparation cost is low, prepares work
Skill is simple.
A kind of bamboo fiber reinforcement nylon composite materials, are made of the raw material of following weight percent:
In the present invention, lysine based isocyanate is capable of the interface compatibility of reactive compatibilization nylon and bamboo fibre, POE-
G-MAH is conducive to improve the compatibility of nylon and plant fiber, and has the function of lubricant and promote fiber dispersion, to protect
This composite material has been demonstrate,proved with excellent mechanical property and processing performance.
The nylon is PA6 (i.e. nylon 6) and PA1212 (i.e. nylon 1212), and commercially available general model can be used.
The bamboo fibre is one of small moso bamboo fiber, cizu fiber, moso bamboo fiber, green bamboo fiber, red bamboo fibre
Or two or more (including two kinds), bamboo fibre can play enhancing nylon, and improve its impact resistance.
Lysine based isocyanate has both the effect of compatilizer, lubricant and dispersing agent, to improving nylon and bamboo fibre
Compatibility, the evenly dispersed and processing performance of bamboo fibre have obvious action.
The toughener is ethylene propylene diene rubber, acrylonitrile-butadiene-styrene copolymer, PP-g-MAH (maleic acid
Acid anhydride graft polypropylene), one or more kinds of (including two kinds) in polyolefin elastomer (POE).
The POE-g-MAH (maleic anhydride stem grafting polyolefin elastomer) is compatilizer.
Preferably, the bamboo fiber reinforcement nylon composite materials, are made of the raw material of following weight percent:
Further preferably, the bamboo fiber reinforcement nylon composite materials, are made of the raw material of following weight percent:
The bamboo fibre is moso bamboo fiber；
The lysine based isocyanate is L-lysine ethyl ester diisocyanate；
The toughener is polyolefin elastomer (POE) or PP-g-MAH (maleic anhydride inoculated polypropylene).
Most preferably, the bamboo fiber reinforcement nylon composite materials, are made of the raw material of following weight percent:
The bamboo fibre is moso bamboo fiber, and the diameter of moso bamboo fiber is 5mm-10mm；
The lysine based isocyanate uses the L-lysine ethyl ester of Suzhou Fu Lu Biotechnology Co., Ltd production
Diisocyanate product；
The toughener is polyolefin elastomer (POE).
A kind of preparation method of bamboo fiber reinforcement nylon composite materials, comprising the following steps:
PA6, PA1212, bamboo fibre, lysine based isocyanate, toughener and POE-g-MAH are mixed using mixing machine
Uniformly, after then utilizing double screw extruder melt blending extrusion, tie rod, air-cooled, granulation, it is compound to obtain bamboo fiber reinforcement nylon
Material；
The screw slenderness ratio of the double screw extruder is 40:1~50:1, and the temperature of melt blending is 220 DEG C~250
℃。
Compared with prior art, the present invention has following outstanding advantage:
One, the bamboo fibre in bamboo fiber reinforcement nylon composite materials of the present invention derives from reproducible biomass, has more
Small density can effectively promote the lightweight of material to realize energy-saving and emission-reduction.
Two, the lysine based isocyanate selected in bamboo fiber reinforcement nylon composite materials of the present invention can improve fiber with
The interface of reactive compatibilization nylon and bamboo fibre may be implemented under the toughening compatible role of POE-g-MAH in the compatibility of nylon
Compatibility, while having both the effect of dispersing agent and lubricant, to improve the compatibility of nylon and plant fiber, plant fiber it is equal
Even dispersion and processing performance have obvious action.
Three, plant fiber enhancing nylon composite materials of the present invention have excellent mechanical property, dimensional stability, coloring
Energy and colour stability.After adding universal fire retardant and antioxidant, which has light weight, intensity height, anti-impact
It hits that toughness is strong, good stability of the dimension, corrosion-resistant, moulding processability is excellent, the excellent performances such as environmentally protective, has wide answer
Use prospect.
Specific embodiment
In order to keep the technical problem to be solved in the present invention, technical solution and effective effect clearer, below by way of reality
It applies example and comparative example further describes the present invention, however, the present invention is not limited to these examples.
Embodiment 1
It is formulated as follows:
Weigh the raw material of following weight: PA6 (newly meeting U.S.A reaches, M2500I) 85Kg, (Shandong east occasion engineering plastics have PA1212
Limit company, PA1212) 60Kg moso bamboo fiber (triumph rope made of hemp processing factory of diameter 5mm-10mm, Gaobeidian City Liang Jia battalion) 40Kg,
Lysine based isocyanate (L-lysine ethyl ester diisocyanate, Suzhou Fu Lu Biotechnology Co., Ltd) 4Kg, POE (three wells
Chemical DF740, the sale of Dongguan City Dong space plastic material Co., Ltd) 6Kg, (Shanghai is great along the limited public affairs of biotechnology by POE-g-MAH
Department) 5Kg.
Preparation process is as follows:
Firstly, above-mentioned alleged content of starting materials is uniformly mixed using high-speed mixer, is mixed at 25 DEG C of environment temperature
Uniform material；Then, melt blending is added into double screw extruder in mixed material (mixed material successively passes through
Excess temperature is respectively 220 DEG C, 230 DEG C, 230 DEG C, 235 DEG C, 240 DEG C, 240 DEG C, 250 DEG C, 250 DEG C of melt blending section) after
Tie rod, air-cooled, pelletizing, sealed package obtain masterbatch mix, i.e. bamboo fiber reinforcement nylon composite materials.The twin-screw of selection squeezes
The screw slenderness ratio of machine is 48:1 out.
Embodiment 2
It is formulated as follows:
Weigh the raw material of following weight:
PA6 (newly meeting U.S.A reaches, M2500I) 60Kg, moso bamboo fiber (diameter 5mm-10mm, Gaobeidian City Liang Jia battalion triumph fiber crops
Restrict processing factory) 25Kg, lysine based isocyanate (L-lysine ethyl ester diisocyanate, the limited public affairs of Suzhou Pu road biotechnology
Department) 3Kg, (Shanghai is great along raw by POE (Mitsui Chemicals DF740, Dongguan City Dong space plastic material Co., Ltd) 5Kg, POE-g-MAH
Object Science and Technology Ltd.) 7Kg.
Preparation process is as described in Example 1.
Embodiment 3
It is formulated as follows:
Weigh the raw material of following weight:
PA6 (newly meeting U.S.A reaches, M2500I) 60Kg, moso bamboo fiber (diameter 5mm-10mm, Gaobeidian City Liang Jia battalion triumph fiber crops
Restrict processing factory) 30Kg, lysine based isocyanate (L-lysine ethyl ester diisocyanate, the limited public affairs of Suzhou Pu road biotechnology
Department) 4Kg, (Shanghai is great along biology by PP-g-MAH (Heyuan City, Guangdong Province Dongyuan County Zi Heng plastic molding and processing plant, 9905B) 5Kg, POE-g-MAH
Science and Technology Ltd.) 1Kg.
Preparation process is as described in Example 1.
Comparative example 1
It is formulated as follows:
70 parts of PA6；
25 parts of foreign bamboo fibre；
5 parts of PP-g-MAH；
Weigh the raw material of following weight:
PA6 (newly meeting U.S.A reaches, M2500I) 70Kg, moso bamboo fiber (diameter 5mm-10mm, Gaobeidian City Liang Jia battalion triumph fiber crops
Restrict processing factory) 25Kg, PP-g-MAH (Heyuan City, Guangdong Province Dongyuan County Zi Heng plastic molding and processing plant, 9905B) 5Kg.
Preparation process is as described in Example 1.
Tensile property test (GB/T1040-92), bending are carried out respectively to embodiment 1-3 and comparative example 1 material prepared
Performance test (GB/T9341-2008) and Chalpy impact performance test (GB/1843-1996), the results are shown in Table 1.
The mechanical property of 1 embodiment 1-3 of table and comparative example 1 compares
Embodiment 1-3 increases lysine based isocyanate and POE-g-MAH compared to comparative example 1, embodiment 1-3's
Mechanical property will be significantly better than comparative example 1, it is seen then that the present invention in, lysine based isocyanate can reactive compatibilization nylon and
The interface compatibility of bamboo fibre is conducive to the compatibility for improving nylon and plant fiber, and has lubricant and promote fiber point
Scattered effect, and under POE-g-MAH toughening compatible role, it ensure that this composite material has excellent mechanical property and adds
Work performance.
Claims (7)
1. a kind of bamboo fiber reinforcement nylon composite materials, which is characterized in that be made of the raw material of following weight percent:
2. bamboo fiber reinforcement nylon composite materials according to claim 1, which is characterized in that by following weight percent
Raw material is made:
3. bamboo fiber reinforcement nylon composite materials according to claim 1 or 2, which is characterized in that the bamboo fibre is
One or more of small moso bamboo fiber, cizu fiber, moso bamboo fiber, green bamboo fiber, red bamboo fibre.
4. bamboo fiber reinforcement nylon composite materials according to claim 1 or 2, which is characterized in that the toughener is
It is ethylene propylene diene rubber, acrylonitrile-butadiene-styrene copolymer, one or more kinds of in PP-g-MAH, POE.
5. bamboo fiber reinforcement nylon composite materials according to claim 1, which is characterized in that by following weight percent
Raw material is made:
The bamboo fibre is moso bamboo fiber；
The lysine based isocyanate is L-lysine ethyl ester diisocyanate；
The toughener is POE or PP-g-MAH.
6. the preparation method of described in any item bamboo fiber reinforcement nylon composite materials, feature exist according to claim 1~5
In, comprising the following steps:
PA6, PA1212, bamboo fibre, lysine based isocyanate, toughener and POE-g-MAH are uniformly mixed using mixing machine,
Then after utilizing double screw extruder melt blending extrusion, tie rod, air-cooled, granulation, bamboo fiber reinforcement nylon composite materials are obtained.
7. the preparation method of bamboo fiber reinforcement nylon composite materials according to claim 6, which is characterized in that described is double
The screw slenderness ratio of screw extruder is 40:1~50:1, and the temperature of melt blending is 220 DEG C~250 DEG C.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305478A (en) * | 2019-07-30 | 2019-10-08 | 贵州省材料技术创新基地 | Wear-resistant material and preparation method thereof and wearing piece |
| CN112480664A (en) * | 2020-11-30 | 2021-03-12 | 中国第一汽车股份有限公司 | Polyamide material, automobile cooling hose and preparation method thereof |
| CN113004686A (en) * | 2021-03-05 | 2021-06-22 | 横琴桦硕环保科技有限公司 | Nylon biomass composite material and preparation method thereof |
| CN114702819A (en) * | 2022-04-02 | 2022-07-05 | 江阴市宏丰塑业有限公司 | Plant fiber reinforced bio-based nylon 56 material and preparation method thereof |
| CN114874536A (en) * | 2022-03-25 | 2022-08-09 | 古正煇 | Plastic master batch containing plant fibers and preparation method and application thereof |
| CN114957983A (en) * | 2022-07-22 | 2022-08-30 | 广东捷德新材料科技有限公司 | Plant fiber reinforced polyamide composite material and preparation method thereof |
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| CN101942184A (en) * | 2010-09-21 | 2011-01-12 | 中国科学院宁波材料技术与工程研究所 | Bamboo powder filling biodegradable compound material and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110305478A (en) * | 2019-07-30 | 2019-10-08 | 贵州省材料技术创新基地 | Wear-resistant material and preparation method thereof and wearing piece |
| CN112480664A (en) * | 2020-11-30 | 2021-03-12 | 中国第一汽车股份有限公司 | Polyamide material, automobile cooling hose and preparation method thereof |
| CN113004686A (en) * | 2021-03-05 | 2021-06-22 | 横琴桦硕环保科技有限公司 | Nylon biomass composite material and preparation method thereof |
| CN114874536A (en) * | 2022-03-25 | 2022-08-09 | 古正煇 | Plastic master batch containing plant fibers and preparation method and application thereof |
| CN114702819A (en) * | 2022-04-02 | 2022-07-05 | 江阴市宏丰塑业有限公司 | Plant fiber reinforced bio-based nylon 56 material and preparation method thereof |
| CN114957983A (en) * | 2022-07-22 | 2022-08-30 | 广东捷德新材料科技有限公司 | Plant fiber reinforced polyamide composite material and preparation method thereof |
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