CN107141707A - A kind of anti-moisture absorption wood powder modified phenolic resin composite material and preparation method thereof - Google Patents
A kind of anti-moisture absorption wood powder modified phenolic resin composite material and preparation method thereof Download PDFInfo
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- CN107141707A CN107141707A CN201710430827.XA CN201710430827A CN107141707A CN 107141707 A CN107141707 A CN 107141707A CN 201710430827 A CN201710430827 A CN 201710430827A CN 107141707 A CN107141707 A CN 107141707A
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- phenolic resin
- wood powder
- moisture absorption
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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
- C08L61/00—Compositions of condensation polymers of aldehydes or ketones; Compositions of derivatives of such polymers
- C08L61/04—Condensation polymers of aldehydes or ketones with phenols only
- C08L61/06—Condensation polymers of aldehydes or ketones with phenols only of aldehydes with phenols
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- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- 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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/03—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
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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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- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：20 30 parts of phenolic resin, 10 15 parts of wood powder, 23 parts of oleic acid, 12 parts of tristerin, 1.5 3 parts of hollow glass micro-ball, 25 parts of rosin, 1 2.5 parts of inorganic filler, 0.5 1.5 parts of toughener, 0.5 0.8 parts of surfactant, 12 parts of stabilizer.The invention also discloses the preparation method of the wood powder modified phenolic resin composite material.The composite has good anti-moisture absorption property, and thermal insulation is good, and the performance such as rub resistance abrasion, corrosion-resistant, damping, electricity and electromagnetic shielding is good, and specific surface area is big, and raw material sources extensively, economize on resources, are conducive to environmental protection.
Description
Technical field：
The present invention relates to technical field of polymer materials, a kind of anti-moisture absorption wood powder phenol-formaldehyde resin modified is specifically related to.
Background technology：
Phenolic resin is often referred to the liquid or solid as obtained by phenol or the effect of its homologue (such as cresols, xylenol) and formaldehyde
State product.According to the proportioning of raw materials used type, phenol and aldehyde, the difference of the type of catalyst, thermoplasticity and thermosetting can be made
The property different resin of two classes.Novolac (-lak) only melts when heated and can not be changed into insoluble and not melt state.But it is solid adding
Thermosetting can be changed into if after agent (such as hexa), using trifunctional or two function phenols as raw material, in the consumption of phenol
(mole) is generated under the conditions of exceeding the consumption (mole) and acidic catalyst of aldehyde.Thermosetting phenolic resin (thermosetting
Phenolic resin) it is heated after be changed into insoluble and do not melt state.Phenolic resin, is a kind of synthetic plastic, and colourless or yellowish-brown is saturating
Bright solid, because electrical equipment is using more, is also commonly called as bakelite.Heat resistance, flame resistance, water resistance and insulating properties are excellent, acid resistance
Preferably, alkali resistance is poor, mechanically and electrically functional, it is easy to cut, but its hygroscopicity is big, after moisture absorption under electrical insulation properties
Drop.
Chinese patent (CN1519272A) discloses a kind of injection molding decorative pattern phenolic moulding powder, including phenolic resin, magnesia, crow
Lip river tropine, calcium hydroxide, wood powder, releasing agent, mineral filler, stabilizer and colorant so that decorative pattern phenolic moulding powder is not only able to should be in liquid
Press compression molding is processed, and main completion can be applied to the processing tasks for the injection molding that can be produced continuously, automatically.
The content of the invention：
It is an object of the invention to provide a kind of anti-moisture absorption wood powder modified phenolic resin composite material, it has good anti-suction
Wet performance, thermal insulation is good, and the performance such as rub resistance abrasion, corrosion-resistant, damping, electricity and electromagnetic shielding is good, and specific surface area is big,
Raw material sources extensively, economize on resources, are conducive to environmental protection.
It is a further object to provide the preparation method of the anti-moisture absorption wood powder modified phenolic resin composite material.
To achieve the above object, the present invention uses following technical scheme：
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
20-30 parts of phenolic resin, 10-15 parts of wood powder,
2-3 parts of oleic acid, 1-2 parts of tristerin,
1.5-3 parts of hollow glass micro-ball, 2-5 parts of rosin,
1-2.5 parts of inorganic filler, 0.5-1.5 parts of toughener,
0.5-0.8 parts of surfactant, 1-2 parts of stabilizer.
As the preferred of above-mentioned technical proposal, a kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight,
Including following components：
25 parts of phenolic resin, 12 parts of wood powder,
2.3 parts of oleic acid, 2 parts of tristerin,
1.5 parts of hollow glass micro-ball, 3 parts of rosin,
2 parts of inorganic filler, 1.2 parts of toughener,
0.5 part of surfactant, 1 part of stabilizer.
As the preferred of above-mentioned technical proposal, the particle size of the hollow glass micro-ball is 1-2 μm.
As the preferred of above-mentioned technical proposal, the inorganic filler is nano-titanium oxide, nano-calcium carbonate, nano silicon oxide
In one or more mixing.
As the preferred of above-mentioned technical proposal, the toughener is one kind or two in polyurethane, polyvinyl butyral resin
Plant mixing.
As the preferred of above-mentioned technical proposal, the surfactant is fatty acid ester sulfonate, aliphatic polyol contracting
One or more mixing in water glycerin ether, sodium sulfate of polyethenoxy ether of fatty alcohol.
As the preferred of above-mentioned technical proposal, the stabilizer is one kind in zinc stearate, calcium stearate, barium stearate
Or a variety of mixing.
A kind of preparation method of anti-moisture absorption wood powder modified phenolic resin composite material, comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 150-180 DEG C, mix 5-
15min, continuously adds phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer,
Continue to mediate 20-30min, obtain mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
As the preferred of above-mentioned technical proposal, in step (2), the extruder is set to：One section 155 ± 5 DEG C, two sections
160 ± 5 DEG C, three sections 175 ± 5 DEG C, four sections 180 ± 5 DEG C, screw speed 15-18r/min.
The invention has the advantages that：
The present invention is modified by wood powder to phenolic resin so that its water absorption rate is greatly reduced, and resistance to water soak is improved, oil
Acid, tristerin are modified to wood powder so that it is improved with phenolic compatible, and the addition of hollow glass micropearl is big
Big water resistance, the heat resistance for improving composite；
The composite thermal insulation is good, and the performance such as rub resistance abrasion, corrosion-resistant, damping, electricity and electromagnetic shielding is good, and
Specific surface area is big, and raw material sources extensively, economize on resources, are conducive to environmental protection.
Embodiment：
For a better understanding of the present invention, below by embodiment, the present invention is further described, and embodiment is served only for explaining
The present invention, will not constitute any restriction to the present invention.
Embodiment 1
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
20 parts of phenolic resin, 10 parts of wood powder,
2 parts of oleic acid, 1 part of tristerin,
1.5 parts of hollow glass micro-ball, 2 parts of rosin,
1 part of inorganic filler, 0.5 part of toughener,
0.5 part of surfactant, 1 part of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 150 DEG C, mix 5min, continue to add
Enter phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer, continue to mediate
20min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
Embodiment 2
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
30 parts of phenolic resin, 15 parts of wood powder,
3 parts of oleic acid, 2 parts of tristerin,
3 parts of hollow glass micro-ball, 5 parts of rosin,
2.5 parts of inorganic filler, 1.5 parts of toughener,
0.8 part of surfactant, 2 parts of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 180 DEG C, mix 15min, are continued
Phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer are added, continues to mediate
30min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
Embodiment 3
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
22 parts of phenolic resin, 11 parts of wood powder,
2.2 parts of oleic acid, 1.2 parts of tristerin,
1.8 parts of hollow glass micro-ball, 2.5 parts of rosin,
1.3 parts of inorganic filler, 0.7 part of toughener,
0.6 part of surfactant, 1.2 parts of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 160 DEG C, mix 7min, continue to add
Enter phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer, continue to mediate
22min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
Embodiment 4
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
24 parts of phenolic resin, 12 parts of wood powder,
2.4 parts of oleic acid, 1.4 parts of tristerin,
2 parts of hollow glass micro-ball, 3 parts of rosin,
1.6 parts of inorganic filler, 0.9 part of toughener,
0.65 part of surfactant, 1.4 parts of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 165 DEG C, mix 9min, continue to add
Enter phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer, continue to mediate
24min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
Embodiment 5
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
26 parts of phenolic resin, 13 parts of wood powder,
2.6 parts of oleic acid, 1.6 parts of tristerin,
2.5 parts of hollow glass micro-ball, 3.5 parts of rosin,
1.9 parts of inorganic filler, 1.1 parts of toughener,
0.7 part of surfactant, 1.6 parts of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 170 DEG C, mix 11min, are continued
Phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer are added, continues to mediate
26min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
Embodiment 6
A kind of anti-moisture absorption wood powder modified phenolic resin composite material, in parts by weight, including following components：
28 parts of phenolic resin, 14 parts of wood powder,
2.8 parts of oleic acid, 1.8 parts of tristerin,
2.8 parts of hollow glass micro-ball, 4.5 parts of rosin,
2.2 parts of inorganic filler, 1.3 parts of toughener,
0.75 part of surfactant, 1.8 parts of stabilizer.
Its preparation method comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 175 DEG C, mix 13min, are continued
Phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer are added, continues to mediate
28min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder
Modified phenolic resin composite material.
After tested, the apparent density for the anti-moisture absorption wood powder modified phenolic resin composite material that the present invention is provided is 50-80kg/
m3, compression strength is 5.15-7MPa, and tensile strength is 5.25-8.15MPa, limited oxygen index >=50%, water absorption rate≤1%.
Claims (9)
1. a kind of anti-moisture absorption wood powder modified phenolic resin composite material, it is characterised in that in parts by weight, including following components：
20-30 parts of phenolic resin, 10-15 parts of wood powder,
2-3 parts of oleic acid, 1-2 parts of tristerin,
1.5-3 parts of hollow glass micro-ball, 2-5 parts of rosin,
1-2.5 parts of inorganic filler, 0.5-1.5 parts of toughener,
0.5-0.8 parts of surfactant, 1-2 parts of stabilizer.
2. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that with parts by weight
Meter, including following components：
25 parts of phenolic resin, 12 parts of wood powder,
2.3 parts of oleic acid, 2 parts of tristerin,
1.5 parts of hollow glass micro-ball, 3 parts of rosin,
2 parts of inorganic filler, 1.2 parts of toughener,
0.5 part of surfactant, 1 part of stabilizer.
3. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that described hollow
The particle size of glass microsphere is 1-2 μm.
4. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that described inorganic
Filler is one or more mixing in nano-titanium oxide, nano-calcium carbonate, nano silicon oxide.
5. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that the toughness reinforcing
Agent is the mixing of one or both of polyurethane, polyvinyl butyral resin.
6. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that the surface
Activating agent is one kind in fatty acid ester sulfonate, aliphatic polyol glycidol ether, sodium sulfate of polyethenoxy ether of fatty alcohol
Or a variety of mixing.
7. a kind of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 1, it is characterised in that the stabilization
Agent is one or more mixing in zinc stearate, calcium stearate, barium stearate.
8. a kind of preparation method of anti-moisture absorption wood powder modified phenolic resin composite material as described in claim 1 to 7 is any, its
It is characterised by, comprises the following steps：
(1) wood powder, oleic acid, tristerin are added in high-speed mixer, at 150-180 DEG C, mix 5-15min, after
It is continuous to add phenolic resin, hollow glass micro-ball, rosin, inorganic filler, toughener, surfactant and stabilizer, continue to mediate
20-30min, obtains mixed material；
(2) mixed material for obtaining step (1) is by double screw extruder extruding pelletization, dry, obtain anti-moisture absorption wood powder and be modified
Phenolic resin composite.
9. a kind of preparation method of anti-moisture absorption wood powder modified phenolic resin composite material as claimed in claim 8, its feature exists
In in step (2), the extruder is set to：One section 155 ± 5 DEG C, two sections 160 ± 5 DEG C, three sections 175 ± 5 DEG C, four sections
180 ± 5 DEG C, screw speed 15-18r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710430827.XA CN107141707A (en) | 2017-06-09 | 2017-06-09 | A kind of anti-moisture absorption wood powder modified phenolic resin composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710430827.XA CN107141707A (en) | 2017-06-09 | 2017-06-09 | A kind of anti-moisture absorption wood powder modified phenolic resin composite material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN107141707A true CN107141707A (en) | 2017-09-08 |
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| CN201710430827.XA Withdrawn CN107141707A (en) | 2017-06-09 | 2017-06-09 | A kind of anti-moisture absorption wood powder modified phenolic resin composite material and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036394A (en) * | 1988-04-09 | 1989-10-18 | 刘增广 | Novel phenoplast and method for making thereof |
| CN1519272A (en) * | 2003-01-24 | 2004-08-11 | 厦门柯依达工贸有限公司 | Jet molding type arabesquitic bakelite powder and preparation method |
| CN104177768A (en) * | 2013-05-27 | 2014-12-03 | 青岛国强环保科技有限公司 | High-molecular environment-friendly material with high hardness and friction resistance |
| CN104788889A (en) * | 2015-04-13 | 2015-07-22 | 浙江理工大学 | Preparation method for resin-based bamboo fiber composite material |
-
2017
- 2017-06-09 CN CN201710430827.XA patent/CN107141707A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1036394A (en) * | 1988-04-09 | 1989-10-18 | 刘增广 | Novel phenoplast and method for making thereof |
| CN1519272A (en) * | 2003-01-24 | 2004-08-11 | 厦门柯依达工贸有限公司 | Jet molding type arabesquitic bakelite powder and preparation method |
| CN104177768A (en) * | 2013-05-27 | 2014-12-03 | 青岛国强环保科技有限公司 | High-molecular environment-friendly material with high hardness and friction resistance |
| CN104788889A (en) * | 2015-04-13 | 2015-07-22 | 浙江理工大学 | Preparation method for resin-based bamboo fiber composite material |
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Application publication date: 20170908 |
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