CN108192375A - Modified composite material of woods and plastics that a kind of low aldehyde ketone distributes and application thereof - Google Patents
Modified composite material of woods and plastics that a kind of low aldehyde ketone distributes and application thereof Download PDFInfo
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- CN108192375A CN108192375A CN201810045635.1A CN201810045635A CN108192375A CN 108192375 A CN108192375 A CN 108192375A CN 201810045635 A CN201810045635 A CN 201810045635A CN 108192375 A CN108192375 A CN 108192375A
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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)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
Modified composite material of woods and plastics distributed the invention discloses a kind of low aldehyde ketone and application thereof by weight, includes 0.1 0.4 parts of 5 95 parts of plastics, 5 95 parts of wood powder, 0.1 1 parts of crosslinking agent and antioxidant;Preparation method includes the following steps:1)Wood powder 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 composite material of woods and plastics.The characteristics of it is low that there is the wood 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 composite material of woods and plastics and application thereof, Modified wood plastic that particularly a kind of low aldehyde ketone distributes
Composite material and application thereof.
Background technology
Wood plastic composite has the characteristics that cheap, degradable, performance is good, is the research and development heat of present field of compound material
Point.Patent CN106750877A discloses a kind of plant fiber modified polypropylene composite material and its preparation process, is modified poly- third
Alkene composite materials property is good, and degradability is good, and manufacture 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 wood plastic composite
In production inevitably since thermal-oxidative degradation can also generate volatile aldehyde ketone compound, including formaldehyde, acetaldehyde, propylene
Aldehyde, benzaldehyde etc..These substances be inevitably discharged into use in air and cause indoor, environment inside car by
To pollution, gently then lead to stimulus to the sense organ, severe one leads to pathological reaction occur.Therefore, developing low aldehyde ketone wood plastic composite has
Very big Development volue.
Invention content
Modified composite material of woods and plastics distributed the object of the present invention is to provide a kind of low aldehyde ketone and application thereof.The present invention
Wood plastic composite there is aldehyde ketone to distribute low, the characteristics of smell is small;And preparation method is simple, and it is at low cost, it is easy to operate.
Technical scheme of the present invention:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes modeling
0.1-0.4 parts of 5-95 parts of material, 5-95 parts of wood powder, 0.1-1 parts of crosslinking agent and antioxidant;Preparation method includes the following steps:
1)1Kg wood powders 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 up to modified composite material of woods and plastics.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, by weight, the modified composite material of woods and plastics packet
0.2-0.3 parts of 40-60 parts of plastics, 40-60 parts of wood powder, 0.3-0.6 parts of crosslinking agent and antioxidant are included.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, by weight, the modified composite material of woods and plastics packet
0.2 part of 50 parts of plastics, 50 parts of wood powder, 0.4 part of crosslinking agent and antioxidant are included.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, the crosslinking agent are maleic anhydride or peroxidating diisopropyl
Benzene.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, the antioxidant is antioxidant 1010, antioxidant
168th, antioxidant 264,2,6- bis-(Octadecyl)- 4- methylphenols, antioxidant SP, antioxidant 54 or antioxidant 754.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, the strong base solution is sodium hydroxide solution, hydroxide
Potassium solution, calcium hydroxide solution, barium hydroxide solution, lithium hydroxide solution, magnesium hydroxide solution, rubidium hydroxide solution and hydrogen-oxygen
Change one or more of caesium solution, a concentration of 0.1-10mol/L.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, the wood powder are put into strong base solution, need to stir 8-
12h。
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, the filter residue are dried at 120 DEG C.
The modified composite material of woods and plastics that aforementioned low aldehyde ketone distributes, 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 modified composite material of woods and plastics that a kind of aforementioned low aldehyde ketone distributes indoors furniture, floor, door and window, integral cabinet,
Foot kicks the application in terms of line, wardrobe, guardrail, furred ceiling and interior gadget.
Beneficial effects of the present invention:
In the wood plastic composite of the present invention, impregnated by the way that wood powder is added in strong base solution, so as to obtain modified composite material,
The smell for distributing and alleviating material of aldehyde ketone in wood plastic composite is greatly reduced, before there is more wide application
Scape.
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 wood plastic composite, by 50 parts of plastics, 50 parts of wood powder, 0.4 part of maleic anhydride and antioxidant 1010 0.2
Part is made, but without the highly basic modification by the present invention.
Embodiment 1:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 50 parts of plastics, wood
0.2 part of 50 parts of powder, 0.4 part of maleic anhydride and antioxidant 1010;Preparation method includes the following steps:
1)1Kg wood powders are put into the sodium hydroxide solution of a concentration of 1mol/L of 70mL, stir 12h, obtain A product;
2)A product are filtered, filter residue is dried at 125 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 composite material of woods and plastics.
Embodiment 2:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 5 parts of plastics, wood
0.1 part of 95 parts of powder, 0.1 part of maleic anhydride and irgasfos 168;Preparation method includes the following steps:
1)1Kg wood powders are put into the sodium hydroxide solution of a concentration of 2mol/L of 50mL, stir 1h, obtain A product;
2)A product are filtered, filter residue is dried at 100 DEG C, obtains B product;
3)To be sieved with 100 mesh sieve 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 composite material of woods and plastics.
Embodiment 3:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 20 parts of plastics, wood
80 parts of powder, 0.2 part of cumyl peroxide and 2,6- bis-(Octadecyl)0.2 part of -4- methylphenols;Preparation method includes
Following steps:
1)1Kg wood powders are put into 60mL 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)500 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 composite material of woods and plastics.
Embodiment 4:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 40 parts of plastics, wood
0.3 part of 60 parts of powder, 0.4 part of maleic anhydride and antioxidant SP;Preparation method includes the following steps:
1)1Kg wood powders are put into 80mL 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 composite material of woods and plastics.
Embodiment 5:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 60 parts of plastics, wood
54 0.3 parts of 40 parts of powder, 0.6 part of cumyl peroxide and antioxidant;Preparation method includes the following steps:
1)1Kg wood powders are put into the calcium hydroxide solution of a concentration of 0.5mol/L of 100mL, stir 15h, obtain A product;
2)A product are filtered, filter residue is dried at 130 DEG C, obtains B product;
3)1400 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 composite material of woods and plastics.
Embodiment 6:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 80 parts of plastics, wood
754 0.2 parts of 20 parts of powder, 0.8 part of maleic anhydride and antioxidant;Preparation method includes the following steps:
1)1Kg wood powders are put into 90mL 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 140 DEG C, obtains B product;
3)1800 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 260 DEG C, squeezes out postcooling, is granulated up to modified composite material of woods and plastics.
Embodiment 7:The modified composite material of woods and plastics that a kind of low aldehyde ketone distributes by weight, includes 95 parts of plastics, wood
0.4 part of 5 parts of powder, 1 part of maleic anhydride and irgasfos 168;Preparation method includes the following steps:
1)1Kg wood powders are put into 75mL to put into the sodium hydroxide solution of a concentration of 10mol/L, stirring for 24 hours, obtains A product;
2)A product are filtered, filter residue is dried at 150 DEG C, obtains B product;
3)2000 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 280 DEG C, squeezes out postcooling, is granulated up to modified composite material of woods and plastics.
In wood plastic composite made from above-described embodiment 1-7, the correction data of the aldehyde of aldehyde and control group is such as
Shown in following table, as can be seen from the table, the content of aldehyde is substantially reduced in wood plastic composite produced by the present invention.
Embodiment 8:The modified composite material of woods and plastics that above-mentioned low aldehyde ketone distributes furniture, floor, door and window, whole cupboard indoors
Cabinet, foot kick the application in terms of line, wardrobe, guardrail, furred ceiling and interior gadget.
Claims (10)
1. the modified composite material of woods and plastics that a kind of low aldehyde ketone distributes, which is characterized in that by weight, include plastics 5-95
Part, 5-95 parts of wood powder, 0.1-1 parts of crosslinking agent and 0.1-0.4 parts of antioxidant;Preparation method includes the following steps:
1)1Kg wood powders 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 up to modified composite material of woods and plastics.
2. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:By weight,
The modified composite material of woods and plastics includes 40-60 parts of plastics, 40-60 parts of wood powder, 0.3-0.6 parts of crosslinking agent and antioxidant
0.2-0.3 parts.
3. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:By weight,
The modified composite material of woods and plastics includes 0.2 part of 50 parts of plastics, 50 parts of wood powder, 0.4 part of crosslinking agent and antioxidant.
4. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:The crosslinking agent is
Maleic anhydride or cumyl peroxide.
5. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:The antioxidant
For antioxidant 1010, irgasfos 168, antioxidant 264,2,6- bis-(Octadecyl)- 4- methylphenols, antioxidant SP, antioxidant
54 or antioxidant 754.
6. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:The strong base solution
It is molten for sodium hydroxide solution, potassium hydroxide solution, calcium hydroxide solution, barium hydroxide solution, lithium hydroxide solution, magnesium hydroxide
One or more of liquid, rubidium hydroxide solution and cesium hydroxide solution, a concentration of 0.1-10mol/L.
7. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:The wood powder input
In strong base solution, 8-12h need to be stirred.
8. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, it is characterised in that:The filter residue exists
It is dried at 120 DEG C.
9. the modified composite material of woods and plastics that low aldehyde ketone according to claim 1 distributes, 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 modified composite material of woods and plastics distributed according to the low aldehyde ketone of claim 1-9 any one of them indoors furniture,
Floor, door and window, integral cabinet, foot kick line, wardrobe, guardrail, furred ceiling and interior gadget in terms of application.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109097975A (en) * | 2018-08-17 | 2018-12-28 | 长春工业大学 | A kind of inorganic salt modification natural fiber/composite polyolefine material and preparation method thereof |
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2018
- 2018-01-17 CN CN201810045635.1A patent/CN108192375A/en active Pending
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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 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109097975A (en) * | 2018-08-17 | 2018-12-28 | 长春工业大学 | A kind of inorganic salt modification natural fiber/composite polyolefine material and preparation method thereof |
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