CN108192374A - Plant fiber plastic composite that a kind of highly basic is modified and application thereof - Google Patents
Plant fiber plastic composite that a kind of highly basic is modified and application thereof Download PDFInfo
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- CN108192374A CN108192374A CN201810045069.4A CN201810045069A CN108192374A CN 108192374 A CN108192374 A CN 108192374A CN 201810045069 A CN201810045069 A CN 201810045069A CN 108192374 A CN108192374 A CN 108192374A
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- plant fiber
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- plastic composite
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08H—DERIVATIVES OF NATURAL MACROMOLECULAR COMPOUNDS
- C08H8/00—Macromolecular compounds derived from lignocellulosic materials
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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
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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
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Biochemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Plant fiber plastic composite being modified the invention discloses a kind of highly basic and application thereof, by weight, includes 0.1 0.4 parts of 5 95 parts of plastics, 5 95 parts of plant fiber, 0.1 1 parts of crosslinking agent and antioxidant；Preparation method includes the following steps：1）Plant fiber is put into strong base solution, stirring 1 for 24 hours, obtains A product；2）A product are filtered, filter residue is dried at 100 150 DEG C, obtains B product；3）100 2000 mesh sieve is crossed after B product are ground, with being squeezed out after crosslinking agent, antioxidant and plastic blend through the double screw extruder with vacuum pump after sieving, extrusion temperature is 180 280 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.The characteristics of it is low that there is the plant fiber plastic composite of the present invention aldehyde ketone to distribute, and smell is small；And preparation method is simple, and it is at low cost, it is easy to operate.
Description
Technical field
The present invention relates to a kind of modified plant fibers plastic composite and application thereof, particularly a kind of plant of highly basic modification
Fibres plastic composite and application thereof.
Background technology
Plant fiber plastic composite has the characteristics that cheap, degradable, performance is good, is present field of compound material
Research and development focus.Patent CN106750877A discloses a kind of plant fiber modified polypropylene composite material and its preparation process, changes
Property PP composite material mechanical property it is good, degradability is good, manufacture it is at low cost.
Patent CN106519556A discloses a kind of graft modification polypropylene wood plastic composite, utilizes maleic anhydride, mistake
Oxidation diisopropylbenzene (DIPB), polyfunctional group crosslinking coagent significantly improve compatibility and its interface bond strength so that wood and plastic composite
Toughness, tensile strength and the impact strength of material are obviously improved.
CN106543755A discloses the Wood-plastic material of a kind of injection straw powder and polypropylene composite materials, agricultural residues powder
Proportion is far above 50%, has the characteristics that at low cost, recyclability is strong.
But since plastics contain harmful volatile aldehyde ketone compound in itself（VOC）And plant fiber plastics
Composite material is in production inevitably since thermal-oxidative degradation can also generate volatile aldehyde ketone compound, including formaldehyde, second
Aldehyde, methacrylaldehyde, benzaldehyde etc..These substances are inevitably discharged into air and lead to indoor, vehicle in use
Interior environment is contaminated, and gently then leads to stimulus to the sense organ, and severe one leads to pathological reaction occur.Therefore, low aldehyde ketone plant fiber is developed
Plastic composite has very big Development volue.
Invention content
Plant fiber plastic composite being modified the object of the present invention is to provide a kind of highly basic and application thereof.This hair
The characteristics of it is low that there is bright plant fiber plastic composite aldehyde ketone to distribute, and smell is small；And preparation method is simple, it is at low cost, easily
Operation.
Technical scheme of the present invention：The plant fiber plastic composite that a kind of highly basic is modified, by weight, includes
0.1-0.4 parts of 5-95 parts of plastics, 5-95 parts of plant fiber, 0.1-1 parts of crosslinking agent and antioxidant；Preparation method includes as follows
Step：
1）1Kg plant fibers are put into 50-100mL strong base solutions, 1-24h is stirred, obtains A product；
2）A product are filtered, filter residue is dried at 100-150 DEG C, obtains B product；
3）100-2000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through band vacuum pump
Double screw extruder squeeze out, extrusion temperature is 180-280 DEG C, squeezes out postcooling, is granulated and answers up to modified plant fibers plastics
Condensation material.
The plant fiber plastic composite that aforementioned highly basic is modified, by weight, the modified plant fibers plastics
Composite material includes 0.2-0.3 parts of 40-60 parts of plastics, 40-60 parts of plant fiber, 0.3-0.6 parts of crosslinking agent and antioxidant.
The plant fiber plastic composite that aforementioned highly basic is modified, by weight, the modified plant fibers plastics
Composite material includes 0.2 part of 50 parts of plastics, 50 parts of plant fiber, 0.4 part of crosslinking agent and antioxidant.
The plant fiber plastic composite that aforementioned highly basic is modified, the crosslinking agent are different for maleic anhydride or peroxidating two
Propyl benzene.
The plant fiber plastic composite that aforementioned highly basic is modified, the antioxidant is antioxidant 1010, antioxidant
168th, antioxidant 264,2,6- bis-（Octadecyl）- 4- methylphenols, antioxidant SP, antioxidant 54 or antioxidant 754.
The plant fiber plastic composite that aforementioned highly basic is modified, the strong base solution is sodium hydroxide solution, hydrogen-oxygen
Change potassium solution, calcium hydroxide solution, barium hydroxide solution, lithium hydroxide solution, magnesium hydroxide solution, rubidium hydroxide solution and hydrogen
One or more of cesium oxide solution, a concentration of 0.1-10mol/L.
The plant fiber plastic composite that aforementioned highly basic is modified, the plant fiber put into strong base solution, need to stir
Mix 8-12h.
The plant fiber plastic composite that aforementioned highly basic is modified, the filter residue are dried at 120 DEG C.
The plant fiber plastic composite that aforementioned highly basic is modified, the step 3）In, it is to cross 800- after B product are ground
1200 mesh sieve, and with being squeezed out after crosslinking agent, antioxidant and plastic blend through the double screw extruder with vacuum pump after sieving, squeeze out
Temperature is 210-240 DEG C.
The plant fiber plastic composite that a kind of aforementioned highly basic is modified furniture, floor, door and window, whole cupboard indoors
Cabinet, foot kick the application in terms of line, wardrobe, guardrail, furred ceiling and interior gadget.
Beneficial effects of the present invention：
In the plant fiber plastic composite of the present invention, impregnated by the way that plant fiber is added in strong base solution, so as to be changed
The composite material of property greatly reduces the smell for distributing and alleviating material of aldehyde ketone in plant fiber plastic composite,
With more wide application prospect.
Specific embodiment
With reference to embodiment, the present invention is further illustrated, but is not intended as the foundation limited the present invention.
The embodiment of the present invention
Control group：A kind of plant fiber plastic composite by 90 parts of plastics, 10 parts of plant fiber, 0.4 part of maleic anhydride and resists
1,010 0.2 parts of oxygen agent is made, but without the highly basic modification by the present invention.
Embodiment 1：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 50 parts of plastics,
0.2 part of 50 parts of plant fiber, 0.4 part of maleic anhydride and antioxidant 1010；Preparation method includes the following steps：
1）1Kg plant fibers are put into the sodium hydroxide solution of a concentration of 1mol/L of 1L, stir 4h, obtain A product；
2）A product are filtered, filter residue is dried at 130 DEG C, obtains B product；
3）1000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 230 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 2：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 95 parts of plastics,
0.2 part of 5 parts of plant fiber, 0.2 part of maleic anhydride and irgasfos 168；Preparation method includes the following steps：
1）1Kg plant fibers are put into the sodium hydroxide solution of a concentration of 2mol/L of 1L, stir 1h, obtain A product；
2）A product are filtered, filter residue is dried at 130 DEG C, obtains B product；
3）1000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 180 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 3：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 80 parts of plastics,
20 parts of plant fiber, 0.2 part of cumyl peroxide and 2,6- bis-（Octadecyl）0.2 part of -4- methylphenols；Its preparation side
Method includes the following steps：
1）1Kg plant fibers are put into 1L to put into the lithium hydroxide solution of a concentration of 3mol/L, 5h is stirred, obtains A product；
2）A product are filtered, filter residue is dried at 110 DEG C, obtains B product；
3）1000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 200 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 4：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 80 parts of plastics,
0.3 part of 20 parts of plant fiber, 0.4 part of maleic anhydride and antioxidant SP；Preparation method includes the following steps：
1）1Kg plant fibers are put into 1L to put into the calcium hydroxide solution of a concentration of 0.1mol/L, 10h is stirred, obtains A product；
2）A product are filtered, filter residue is dried at 120 DEG C, obtains B product；
3）800 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 220 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 5：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 80 parts of plastics,
54 0.2 parts of 20 parts of plant fiber, 0.6 part of cumyl peroxide and antioxidant；Preparation method includes the following steps：
1）1Kg plant fibers are put into the calcium hydroxide solution of a concentration of 0.5mol/L of 1L, stir 15h, obtain A product；
2）A product are filtered, filter residue is dried at 130 DEG C, obtains B product；
3）1000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 240 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 6：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 80 parts of plastics,
754 0.2 parts of 20 parts of plant fiber, 0.8 part of maleic anhydride and antioxidant；Preparation method includes the following steps：
1）1Kg plant fibers are put into 1L to put into the potassium hydroxide solution of a concentration of 8mol/L, 20h is stirred, obtains A product；
2）A product are filtered, filter residue is dried at 130 DEG C, obtains B product；
3）800 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 220 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
Embodiment 7：The plant fiber plastic composite that a kind of highly basic is modified, by weight, include 95 parts of plastics,
0.4 part of 5 parts of plant fiber, 1 part of maleic anhydride and irgasfos 168；Preparation method includes the following steps：
1）1Kg plant fibers are put into the sodium hydroxide solution of a concentration of 10mol/L of 1L, stirring for 24 hours, obtains A product；
2）A product are filtered, filter residue is dried at 130 DEG C, obtains B product；
3）800 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through double with vacuum pump
Screw extruder squeezes out, and extrusion temperature is 220 DEG C, squeezes out postcooling, is granulated up to modified plant fibers plastic composite.
In plant fiber plastic composite made from above-described embodiment 1-7, pair of the aldehyde of aldehyde and control group
More as shown in the table than data, as can be seen from the table, the content of aldehyde is bright in plant fiber plastic composite produced by the present invention
It is aobvious to reduce.
Embodiment 8：The plant fiber plastic composite that above-mentioned highly basic is modified furniture, floor, door and window, entirety indoors
Cabinet, foot kick the application in terms of line, wardrobe, guardrail, furred ceiling and interior gadget.
Claims (10)
1. the plant fiber plastic composite that a kind of highly basic is modified, which is characterized in that by weight, include plastics 5-95
Part, 5-95 parts of plant fiber, 0.1-1 parts of crosslinking agent and 0.1-0.4 parts of antioxidant；Preparation method includes the following steps：
1）1Kg plant fibers are put into 50-100mL strong base solutions, 1-24h is stirred, obtains A product；
2）A product are filtered, filter residue is dried at 100-150 DEG C, obtains B product；
3）100-2000 mesh sieve will be crossed after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through band vacuum pump
Double screw extruder squeeze out, extrusion temperature is 180-280 DEG C, squeezes out postcooling, is granulated and answers up to modified plant fibers plastics
Condensation material.
2. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：By weight
Meter, the modified plant fibers plastic composite include 40-60 parts of plastics, 40-60 parts of plant fiber, crosslinking agent 0.3-
0.6 part and 0.2-0.3 parts of antioxidant.
3. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：By weight
Meter, the modified plant fibers plastic composite include 50 parts of plastics, 50 parts of plant fiber, 0.4 part of crosslinking agent and antioxygen
0.2 part of agent.
4. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：The crosslinking agent
For maleic anhydride or cumyl peroxide.
5. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：It is described anti-oxidant
Agent is antioxidant 1010, irgasfos 168, antioxidant 264,2,6- bis-（Octadecyl）- 4- methylphenols, antioxidant SP, antioxygen
Agent 54 or antioxidant 754.
6. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：The highly basic is molten
Liquid is sodium hydroxide solution, potassium hydroxide solution, calcium hydroxide solution, barium hydroxide solution, lithium hydroxide solution, magnesium hydroxide
One or more of solution, rubidium hydroxide solution and cesium hydroxide solution, a concentration of 0.1-10mol/L.
7. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：The plant is fine
In dimension input strong base solution, 8-12h need to be stirred.
8. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：The filter residue exists
It is dried at 120 DEG C.
9. the plant fiber plastic composite that highly basic according to claim 1 is modified, it is characterised in that：The step 3）
In, be that will cross 800-1200 mesh sieve after the grinding of B product, after sieving with after crosslinking agent, antioxidant and plastic blend through band vacuum pump
Double screw extruder squeeze out, extrusion temperature be 210-240 DEG C.
10. a kind of plant fiber plastic composite family indoors being modified according to claim 1-9 any one of them highly basic
Tool, floor, door and window, integral cabinet, foot kick line, wardrobe, guardrail, furred ceiling and interior gadget in terms of application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045069.4A CN108192374A (en) | 2018-01-17 | 2018-01-17 | Plant fiber plastic composite that a kind of highly basic is modified and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810045069.4A CN108192374A (en) | 2018-01-17 | 2018-01-17 | Plant fiber plastic composite that a kind of highly basic is modified and application thereof |
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| CN108192374A true CN108192374A (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810045069.4A Pending CN108192374A (en) | 2018-01-17 | 2018-01-17 | Plant fiber plastic composite that a kind of highly basic is modified and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930233A (en) * | 2019-02-26 | 2019-06-25 | 杭州泰富纺织化纤有限公司 | A kind of long-acting high-elastic negative-ion fiber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108213A (en) * | 2010-12-24 | 2011-06-29 | 上海国成塑料有限公司 | Preparation method of wood-plastic compound material with improved strength |
| CN102276900A (en) * | 2011-07-19 | 2011-12-14 | 林世旺 | Waste paper pulp moulding wood plastic composite material and preparation method thereof |
| CN104761818A (en) * | 2015-04-25 | 2015-07-08 | 桂林理工大学 | Method for preparing polypropylene-based wood-plastic composite material by using straw |
| CN104761820A (en) * | 2015-04-25 | 2015-07-08 | 桂林理工大学 | Method for preparing polypropylene-based wood-plastic composite material by using rice husk powder |
-
2018
- 2018-01-17 CN CN201810045069.4A patent/CN108192374A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102108213A (en) * | 2010-12-24 | 2011-06-29 | 上海国成塑料有限公司 | Preparation method of wood-plastic compound material with improved strength |
| CN102276900A (en) * | 2011-07-19 | 2011-12-14 | 林世旺 | Waste paper pulp moulding wood plastic composite material and preparation method thereof |
| CN104761818A (en) * | 2015-04-25 | 2015-07-08 | 桂林理工大学 | Method for preparing polypropylene-based wood-plastic composite material by using straw |
| CN104761820A (en) * | 2015-04-25 | 2015-07-08 | 桂林理工大学 | Method for preparing polypropylene-based wood-plastic composite material by using rice husk powder |
Non-Patent Citations (3)
| Title |
|---|
| 李兰杰 等: "木粉的碱化处理对木塑复合材料性能的影响", 《合成树脂及塑料》 * |
| 王鹤义 等: "《有机化学》", 28 February 2010, 河南科学技术出版社 * |
| 雷得定: "《木材界面学与界面技术》", 30 September 2012, 北京：中国林业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930233A (en) * | 2019-02-26 | 2019-06-25 | 杭州泰富纺织化纤有限公司 | A kind of long-acting high-elastic negative-ion fiber |
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Application publication date: 20180622 |