CN109233093A - A kind of glued board wood plastic composite - Google Patents
A kind of glued board wood plastic composite Download PDFInfo
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- CN109233093A CN109233093A CN201810870384.0A CN201810870384A CN109233093A CN 109233093 A CN109233093 A CN 109233093A CN 201810870384 A CN201810870384 A CN 201810870384A CN 109233093 A CN109233093 A CN 109233093A
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- wood plastic
- plastic composite
- glued board
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- board wood
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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
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/24—Acids; Salts thereof
- C08K3/26—Carbonates; Bicarbonates
- C08K2003/265—Calcium, strontium or barium carbonate
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
The invention discloses a kind of glued board wood plastic composites, it is related to new material technology field, is made of following component: acrylic resin, modified broomcorn straw powder, nano-attapulgite, ethylene-vinyl acetate copolymer, calcium carbonate, plasticizer, neopelex, light stabilizer；Glued board prepared by the present invention has good bending strength, impact strength and lower water absorption rate with wood plastic composite.
Description
Technical field
The invention belongs to new material technology fields, and in particular to a kind of glued board wood plastic composite.
Background technique
Glued board be veneer is peeled by juggle or by flitch slicing at veneer, then with adhesive it is glued made of three layers or
The board-like material of multilayer usually uses odd-level veneer, and forms the orthogonal gluing of the machine direction of adjacent layer veneer.It is glued
Plate is one of furniture common used material, is one of big plate of wood-based plate three, also for aircraft, ship, train, automobile, building and packaging
The effects of case material.
Wood plastic composite has both the characteristics of timber and plastics, has good processing performance, good strength character simultaneously
And it is water-fast, corrosion-resistant, therefore can be used as the substitute of timber in many fields, it is inexpensive and environmentally friendly, it has a good application prospect.
In recent years, for wood plastic composite increasingly by the concern of the majority of consumers, it is one kind using plastics as matrix, with wood powder or its
His plant fiber is a kind of composite material of novel environment friendly of filler.Wood plastic composite applied in terms of building products compared with
Be it is extensive, account for the 75% of wood plastic composite total amount.
Veneer is made with wood plastic composite, then forms the glued board of the board-like material of multilayer with adhesive gluing again,
Timber resources can greatly be saved, however the wood plastic composite veneer comprehensive performance of prior art preparation is general, causes to make
At glued board comprehensive performance it is general, be unable to satisfy the demand in market.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of glued board wood plastic composite is provided.
The present invention is achieved by the following technical solutions:
A kind of glued board wood plastic composite, is made of following component by weight: 80-86 parts of acrylic resin is modified
25-28 parts of broomcorn straw powder, 6-10 parts of nano-attapulgite, 8-15 parts of ethylene-vinyl acetate copolymer, calcium carbonate 9-12
Part, 1.5-1.7 parts of plasticizer, 1.6-1.9 parts of neopelex, 0.12-0.14 parts of light stabilizer.
Further, the acrylic resin is Isotactic polypropylene resin.
Further, the modified broomcorn straw powder, preparation method thereof are as follows:
Broomcorn straw powder is added into reaction kettle, deionized water and maleic anhydride is then added, with the stirring of 350r/min revolving speed, adds
Heat keeps the temperature 30min, then adds polyetheramine again to 65 DEG C, is passed through nitrogen, excludes air in reaction kettle, then vacuumize, then again
Initiator is added, continues to be heated to 88 DEG C, 55min is stirred with 1500r/min revolving speed, then unsaturated carboxylic acid class chemical combination is at the uniform velocity added dropwise
Object, react 4 hours, be then filtered, cleaned using deionized water to neutrality, be dried under vacuum to constant weight to get；
The deionized water additive amount is 8 times of broomcorn straw silty amount；
The maleic anhydride additive amount is the 10% of deionized water quality；
The polyetheramine additive amount is the 6.8% of broomcorn straw silty amount；
The initiator additive amount is the 1.5% of polyetheramine quality；
The unsaturated carboxylic acid class compound additive amount is the 50% of polyetheramine quality.
Further, described to vacuumize to be evacuated to the vacuum that vacuum degree is 0.001MPa.
Further, the initiator is potassium peroxydisulfate.
Further, the unsaturated carboxylic acid class compound is methacrylic acid.
Further, the nano-attapulgite soil granularity is 90nm.
Further, the plasticizer is butyl ester of epoxy fatty acid.
Further, the light stabilizer be bis- (1- octyloxy -2,2,6,6- tetramethyl -4- piperidyls) sebacates or
2- (the tertiary base phenyl of two fourth of 2- hydroxyl -3,5-) -5- chlorinated benzotriazole.
It is good that the present invention has the advantage that glued board wood plastic composite prepared by the present invention has compared with prior art
Good bending strength, impact strength and lower water absorption rate；Present invention defect according to prior art, by broomcorn straw powder
It is modified processing, the surface-active of broomcorn straw powder can be effectively improved, improves compatibility, dispersibility, while cooperateing with addition
The effect of nano-attapulgite further enhances its heterogeneous nucleating effect during crystalling propylene, improves crystallization
Rate and crystallinity enhance the mechanical characteristic of composite material.Meanwhile nano-attapulgite being selected to carry out modified synergic broomcorn straw
Powder is combined in the form of the secondary bonds such as hydrogen bond and Van der Waals force between the two structural unit, the dissociation of structural unit easy to accomplish and
Dispersion, it is not easy to reunite；So that nano-attapulgite and modified broomcorn straw powder can be better dispersed in plastic substrate
In, the tensile strength of wood plastic composite, bending strength and impact strength are enhanced, while the hair of creep is greatly reduced
It is raw, improve safety in utilization.
Specific embodiment
Embodiment 1
A kind of glued board wood plastic composite, is made of following component by weight: 80 parts of acrylic resin, modified sorghum
25 parts of straw powder, 6 parts of nano-attapulgite, 8 parts of ethylene-vinyl acetate copolymer, 9 parts of calcium carbonate, 1.5 parts of plasticizer, ten
1.6 parts of dialkyl benzene sulfonic acids sodium, 0.12 part of light stabilizer.
Further, the acrylic resin is Isotactic polypropylene resin.
Further, the modified broomcorn straw powder, preparation method thereof are as follows:
Broomcorn straw powder is added into reaction kettle, deionized water and maleic anhydride is then added, with the stirring of 350r/min revolving speed, adds
Heat keeps the temperature 30min, then adds polyetheramine again to 65 DEG C, is passed through nitrogen, excludes air in reaction kettle, then vacuumize, then again
Initiator is added, continues to be heated to 88 DEG C, 55min is stirred with 1500r/min revolving speed, then unsaturated carboxylic acid class chemical combination is at the uniform velocity added dropwise
Object, react 4 hours, be then filtered, cleaned using deionized water to neutrality, be dried under vacuum to constant weight to get；
The deionized water additive amount is 8 times of broomcorn straw silty amount；
The maleic anhydride additive amount is the 10% of deionized water quality；
The polyetheramine additive amount is the 6.8% of broomcorn straw silty amount；
The initiator additive amount is the 1.5% of polyetheramine quality；
The unsaturated carboxylic acid class compound additive amount is the 50% of polyetheramine quality.
Further, described to vacuumize to be evacuated to the vacuum that vacuum degree is 0.001MPa.
Further, the initiator is potassium peroxydisulfate.
Further, the unsaturated carboxylic acid class compound is methacrylic acid.
Further, the nano-attapulgite soil granularity is 90nm.
Further, the plasticizer is butyl ester of epoxy fatty acid.
Further, the light stabilizer be bis- (1- octyloxy -2,2,6,6- tetramethyl -4- piperidyls) sebacates or
2- (the tertiary base phenyl of two fourth of 2- hydroxyl -3,5-) -5- chlorinated benzotriazole.
Embodiment 2
A kind of glued board wood plastic composite, is made of following component by weight: 86 parts of acrylic resin, modified sorghum
28 parts of straw powder, 10 parts of nano-attapulgite, 15 parts of ethylene-vinyl acetate copolymer, 12 parts of calcium carbonate, 1.7 parts of plasticizer,
1.9 parts of neopelex, 0.14 part of light stabilizer.
Further, the acrylic resin is Isotactic polypropylene resin.
Further, the modified broomcorn straw powder, preparation method thereof are as follows:
Broomcorn straw powder is added into reaction kettle, deionized water and maleic anhydride is then added, with the stirring of 350r/min revolving speed, adds
Heat keeps the temperature 30min, then adds polyetheramine again to 65 DEG C, is passed through nitrogen, excludes air in reaction kettle, then vacuumize, then again
Initiator is added, continues to be heated to 88 DEG C, 55min is stirred with 1500r/min revolving speed, then unsaturated carboxylic acid class chemical combination is at the uniform velocity added dropwise
Object, react 4 hours, be then filtered, cleaned using deionized water to neutrality, be dried under vacuum to constant weight to get；
The deionized water additive amount is 8 times of broomcorn straw silty amount；
The maleic anhydride additive amount is the 10% of deionized water quality；
The polyetheramine additive amount is the 6.8% of broomcorn straw silty amount；
The initiator additive amount is the 1.5% of polyetheramine quality；
The unsaturated carboxylic acid class compound additive amount is the 50% of polyetheramine quality.
Further, described to vacuumize to be evacuated to the vacuum that vacuum degree is 0.001MPa.
Further, the initiator is potassium peroxydisulfate.
Further, the unsaturated carboxylic acid class compound is methacrylic acid.
Further, the nano-attapulgite soil granularity is 90nm.
Further, the plasticizer is butyl ester of epoxy fatty acid.
Further, the light stabilizer be bis- (1- octyloxy -2,2,6,6- tetramethyl -4- piperidyls) sebacates or
2- (the tertiary base phenyl of two fourth of 2- hydroxyl -3,5-) -5- chlorinated benzotriazole.
Embodiment 3
A kind of glued board wood plastic composite, is made of following component by weight: 82 parts of acrylic resin, modified sorghum
26 parts of straw powder, 8 parts of nano-attapulgite, 12 parts of ethylene-vinyl acetate copolymer, 11 parts of calcium carbonate, 1.6 parts of plasticizer,
1.7 parts of neopelex, 0.13 part of light stabilizer.
Further, the acrylic resin is Isotactic polypropylene resin.
Further, the modified broomcorn straw powder, preparation method thereof are as follows:
Broomcorn straw powder is added into reaction kettle, deionized water and maleic anhydride is then added, with the stirring of 350r/min revolving speed, adds
Heat keeps the temperature 30min, then adds polyetheramine again to 65 DEG C, is passed through nitrogen, excludes air in reaction kettle, then vacuumize, then again
Initiator is added, continues to be heated to 88 DEG C, 55min is stirred with 1500r/min revolving speed, then unsaturated carboxylic acid class chemical combination is at the uniform velocity added dropwise
Object, react 4 hours, be then filtered, cleaned using deionized water to neutrality, be dried under vacuum to constant weight to get；
The deionized water additive amount is 8 times of broomcorn straw silty amount；
The maleic anhydride additive amount is the 10% of deionized water quality；
The polyetheramine additive amount is the 6.8% of broomcorn straw silty amount；
The initiator additive amount is the 1.5% of polyetheramine quality；
The unsaturated carboxylic acid class compound additive amount is the 50% of polyetheramine quality.
Further, described to vacuumize to be evacuated to the vacuum that vacuum degree is 0.001MPa.
Further, the initiator is potassium peroxydisulfate.
Further, the unsaturated carboxylic acid class compound is methacrylic acid.
Further, the nano-attapulgite soil granularity is 90nm.
Further, the plasticizer is butyl ester of epoxy fatty acid.
Further, the light stabilizer be bis- (1- octyloxy -2,2,6,6- tetramethyl -4- piperidyls) sebacates or
2- (the tertiary base phenyl of two fourth of 2- hydroxyl -3,5-) -5- chlorinated benzotriazole.
Comparative example 1: it is only that with the difference of embodiment 1 and modified broomcorn straw powder is replaced with into unmodified broomcorn straw powder.
Comparative example 2: being only that with the difference of embodiment 1 modified broomcorn straw powder replacing with corn straw modification powder, modified
Method is constant.
Comparative example 3: it is only that with the difference of embodiment 1 and the modification broomcorn straw powder in embodiment 1 is replaced with into application number:
201610468947.4 wood powder method of modifying is modified broomcorn straw powder to obtain modified broomcorn straw powder.
Test
Performance detection is carried out to the wood plastics composite veneer of the same size of embodiment and comparative example preparation:
Table 1
Note: bending strength described in upper table 1 tests three-point bending strength according to GB/T9341-2008, central span 62cm,
Loading speed is 12mm/min；Impact strength tests notch impact strength according to GB/T1043-2008；Water absorption rate is referring to GB/
T1034-2008 is tested, wherein water suction duration is set as 1300h；
As can be seen from Table 1, glued board prepared by the present invention has good bending strength, impact strength with wood plastic composite
With lower water absorption rate.
Claims (9)
1. a kind of glued board wood plastic composite, which is characterized in that be made by weight of following component: acrylic resin
80-86 parts, modified 25-28 parts of broomcorn straw powder, 6-10 parts of nano-attapulgite, 8-15 parts of ethylene-vinyl acetate copolymer,
9-12 parts of calcium carbonate, 1.5-1.7 parts of plasticizer, neopelex 1.6-1.9,0.12-0.14 parts of light stabilizer.
2. a kind of glued board wood plastic composite according to claim 1, which is characterized in that the acrylic resin is
Isotactic polypropylene resin.
3. a kind of glued board wood plastic composite according to claim 1, which is characterized in that the modified broomcorn straw
Powder, preparation method thereof are as follows:
Broomcorn straw powder is added into reaction kettle, deionized water and maleic anhydride is then added, with the stirring of 350r/min revolving speed, adds
Heat keeps the temperature 30min, then adds polyetheramine again to 65 DEG C, is passed through nitrogen, excludes air in reaction kettle, then vacuumize, then again
Initiator is added, continues to be heated to 88 DEG C, 55min is stirred with 1500r/min revolving speed, then unsaturated carboxylic acid class chemical combination is at the uniform velocity added dropwise
Object, react 4 hours, be then filtered, cleaned using deionized water to neutrality, be dried under vacuum to constant weight to get；
The deionized water additive amount is 8 times of broomcorn straw silty amount；
The maleic anhydride additive amount is the 10% of deionized water quality；
The polyetheramine additive amount is the 6.8% of broomcorn straw silty amount；
The initiator additive amount is the 1.5% of polyetheramine quality；
The unsaturated carboxylic acid class compound additive amount is the 50% of polyetheramine quality.
4. a kind of glued board wood plastic composite stated according to claim 3, which is characterized in that described to vacuumize to be evacuated to very
Reciprocal of duty cycle is the vacuum of 0.001MPa.
5. a kind of glued board wood plastic composite according to claim 3, which is characterized in that the initiator is over cure
Sour potassium.
6. a kind of glued board wood plastic composite according to claim 3, which is characterized in that the unsaturated carboxylic acid class
Compound is methacrylic acid.
7. a kind of glued board wood plastic composite according to claim 1, which is characterized in that the nano-attapulgite
Granularity is 90nm.
8. a kind of glued board wood plastic composite according to claim 1, which is characterized in that the plasticizer is epoxy
Fatty acid butyl ester.
9. a kind of glued board wood plastic composite according to claim 1, which is characterized in that the light stabilizer is double
(1- octyloxy -2,2,6,6- tetramethyl -4- piperidyl) sebacate or 2- (the tertiary base phenyl of two fourth of 2- hydroxyl -3,5-) -5- chlorine
For benzotriazole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870384.0A CN109233093A (en) | 2018-08-02 | 2018-08-02 | A kind of glued board wood plastic composite |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870384.0A CN109233093A (en) | 2018-08-02 | 2018-08-02 | A kind of glued board wood plastic composite |
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| CN201810870384.0A Pending CN109233093A (en) | 2018-08-02 | 2018-08-02 | A kind of glued board wood plastic composite |
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Application publication date: 20190118 |