CN101885884B - Bamboo shell fiber/PVC composite material and preparation method thereof - Google Patents
Bamboo shell fiber/PVC composite material and preparation method thereof Download PDFInfo
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- CN101885884B CN101885884B CN2010102316458A CN201010231645A CN101885884B CN 101885884 B CN101885884 B CN 101885884B CN 2010102316458 A CN2010102316458 A CN 2010102316458A CN 201010231645 A CN201010231645 A CN 201010231645A CN 101885884 B CN101885884 B CN 101885884B
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- bamboo shoot
- case fibre
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Abstract
The invention discloses a bamboo shell fiber/PVC composite material, which comprises the following components in part by weight: 100 parts of PVC, 20 to 100 parts of bamboo shell fiber, 1 to 8 parts of silane coupling agent, 10 to 20 parts of compatilizer, 1 to 4 parts of antioxygen and 10 to 20 parts of assistant. The components in part by weight are dispersed in a high-speed kneading machine first; and then the dispersed components are blended in a double roll blender or extruded in a double screw extruder to form the bamboo shell fiber/PVC composite material.
Description
One, technical field
The present invention relates to a kind of Wood-plastic material and preparation method thereof, specifically a kind of bamboo shoot case fibre/PVC matrix material and preparation method thereof.
Two, background technology
The bamboo shoot shell is a kind of natural plant fibre, is a still undeveloped valuable source, and rainy season at a time when the listing of bright bamboo shoot, and bulk deposition, bright bamboo shoot shell rot very soon, cause environmental pollution.Along with developing rapidly of bamboo shoots processing industry, bamboo shoots processing is left over waste bamboo shoot shell etc. and environment has been caused severe contamination, has influenced the ecological construction in new rural area; Simultaneously, also cause the waste of ample resources, how to develop bamboo shoot shell resource; Turn waste into wealth; Improving its added value, is the needs of bamboo shoots industrial chain development, also is the needs of developing a circular economy.
China is topmost in the world product bamboo state, is that kind, area, accumulation and the bamboo wood of bamboo, the output of bamboo shoots all rank first place, the world, the bamboo kind is known have Forest Park, Foochow 39 belong to 500 surplus kind, about 4,200,000 hm of the bamboo grove total area
2The whole world bamboo developed into one with about 2,500,000,000 people's production, the industry that life is closely related and annual value of production is nearly 5,000,000,000 dollars.China produces bright bamboo shoot more than 150 ten thousand t per year, goes out bamboo shoot rate 50%, has that bright bamboo shoot shell is dropped about 700,000 t an every year.Under this urgent and strict demand of environment protection, how bulk deposition bamboo shoot shell waste is effectively handled, and has become an extremely urgent problem of bamboo shoots processing enterprises.At present; The processing mode of " stacking " adopted is in the development that is restricting bamboo shoots processing enterprise in a different manner: worker's waste of stacking these thousands of tons; Not only take a large amount of soils, and this mode can not satisfy environmental requirement still in contaminate environment; And processing costs is also very expensive, causes bigger pressure to enterprise.And the bamboo shoot farming along with rotten peculiar smell is unpleasant, is grown mosquitos and flies with being intended to roadside, river bank discarded bamboo shells.Solve the problem that waste is left in bamboo shoots processing, basic outlet is to be to have wide market outlook, bigger market capacity, the various starting material or the goods of favorable economic benefit with its development process how.
At present; Domestic wood plastic composite is that main raw material carries out compound to PE, PP, PVC with the wood powder; As: CN1482166A, CN1445285A, CN1990599A, CN1513918A etc., but bamboo shoot case fibre/PVC composite study and patent are not seen relevant report as yet, the Application and Development of this matrix material helps the bamboo industry comprehensive utilization of resources; To improve additional value of farm products, environment protection is significant, market outlook are boundless.
Three, summary of the invention
The present invention is intended to fully utilize the bamboo shoot case fibre, and technical problem to be solved is to substitute wood powder and thermoplastic resin PVC machining composite material with the bamboo shoot case fibre.
Bamboo shoot case fibre/PVC matrix material that the present invention proposes comprises each component of following weight part:
100 parts of PVC
20～100 parts of bamboo shoot case fibres
10～20 parts of auxiliary agents
1～8 part of silane coupling agent
10～20 parts of compatilizers
1～4 part in oxidation inhibitor.
Its particulate median size of said bamboo shoot case fibre is at least 20 orders, water cut≤5%.
Said auxiliary agent is selected from paraffin, CaCO
3, Ca (HCO
3)
2Or talcum powder etc.
Said silane coupling agent is selected from KH-550, KH-560 or KH-570 etc.
Said resin compatible agent be selected from ethylene acrylic acid co polymer or/and ROHM or/and polyacrylic ester or/and chlorinatedpolyethylene etc.
Said oxidation inhibitor is selected from lead stearate, dibasic lead stearate or tribasic lead stearate etc.
Described composite material and preparation method thereof comprises bamboo shoot case fibre pre-treatment and mixing.
The pre-treatment of described bamboo shoot case fibre is meant the silane coupling agent physical mixed of bamboo shoot shell powder and proportional quantity.
The described mixing PVC that is meant proportional quantity, pre-treatment bamboo shoot case fibre, compatilizer, oxidation inhibitor and auxiliary agent disperse at the high speed kneader earlier, and mixing or twin screw extruder is extruded through double roll mill then.
Described high speed kneader rotating speed 1000～1500rpm, 50～60 ℃ of temperature, time 5～10min.
Described double roll mill mixing time 10～20min, 150～180 ℃ of temperature.
Described twin screw extruder is extruded under 150～180 ℃ of temperature and is extruded.
Bamboo shoot case fibre/PVC the matrix material of the present invention's preparation, high comprehensive performance, cost performance is high.Advantage of the present invention is mainly reflected in:
1. solve the problem of environmental pollution of bright bamboo shoot shell, helped the bamboo industry comprehensive utilization of resources, improved additional value of farm products.
2. production technique is simply clean, and product stability is good, and is with low cost.
Four, embodiment
Following non-limiting examples is narrated as follows:
Embodiment 1
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 1.0g silane resin acceptor kh-550 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 16g chlorinatedpolyethylene, 4g lead stearate, 4g paraffin, 16g CaCO
3Disperse at the high speed kneader, rotating speed 1000rpm, 50 ℃ of temperature, time 5min, at the mixing 10min of double roll mill, temperature is 160 ℃ then, obtains bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 2
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 1.0g silane coupling agent KH-560 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 10g chlorinatedpolyethylene, 2g lead stearate, 3g paraffin, 10g CaCO
3Disperse at the high speed kneader, rotating speed 1000rpm, 55 ℃ of temperature, time 8min, at the mixing 15min of double roll mill, temperature is 160 ℃ then, obtains bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 3
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 1.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 10g ethylene acrylic acid co polymer, 1g dibasic lead stearate, 4g paraffin, 12g Ca (HCO
3)
2Disperse at the high speed kneader, rotating speed 1500rpm, 55 ℃ of temperature, time 10min, at the mixing 20min of double roll mill, temperature is 170 ℃ then, obtains bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 4
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 2.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 15g ethylene acrylic acid co polymer, 4g dibasic lead stearate, 5g paraffin, 10g Ca (HCO
3)
2Disperse at the high speed kneader, rotating speed 1200rpm, 60 ℃ of temperature, time 10min extrudes through twin screw extruder then, and 180 ℃ of temperature obtain bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 5
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 4.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
Above-mentioned bamboo shoot case fibre, 100g PVC, the polymkeric substance of 20g propenoate, the tribasic lead stearate of 3g, 2g paraffin, 18g talcum powder are disperseed at the high speed kneader; Rotating speed 1000rpm; 60 ℃ of temperature, time 10min extrudes through twin screw extruder then; 170 ℃ of temperature obtain bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 6
30g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 8.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
Above-mentioned bamboo shoot case fibre, 100g PVC, the polymkeric substance of 16g propenoate, the tribasic lead stearate of 4g, 4g paraffin, 16g talcum powder are being disperseed at the high speed kneader; Rotating speed 1500rpm; 55 ℃ of temperature, time 20min extrudes through twin screw extruder then; 160 ℃ of temperature obtain bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 7
60g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 2.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 16g ethylene acrylic acid co polymer, 2g lead stearate, 5g paraffin, 5g CaCO
3Disperse at the high speed kneader, rotating speed 1400rpm, 60 ℃ of temperature, time 20min extrudes through twin screw extruder then, and 150 ℃ of temperature obtain bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
Embodiment 8
90g bamboo shoot shell powder (median size is that water cut is lower than 5% more than 20 orders) and 2.0g silane coupling agent KH-570 stir, and bamboo shoot shell powder is carried out pre-treatment, make silane coupling agent be coated on bamboo shoot shell powder surface full and uniformly.
With above-mentioned bamboo shoot case fibre, 100g PVC, 16g ethylene acrylic acid co polymer, the tribasic lead stearate of 4g, 4g paraffin, 10g CaCO
3In the high speed kneader, disperse, rotating speed 1500rpm, 55 ℃ of temperature, time 15min extrudes through twin screw extruder then, and 170 ℃ of temperature obtain bamboo shoot case fibre/PVC matrix material.
Mechanics Performance Testing is carried out in above-mentioned bamboo shoot case fibre/PVC matrix material compressing tablet, sample preparation on vulcanizing press.The vulcanizer temperature is controlled at 180 ℃, and pressure is 8MPa, time 10min.Testing standard and result are as shown in table 1.
The testing standard of table 1 sample and measuring mechanical property result
Claims (2)
1. bamboo shoot case fibre/PVC matrix material is characterized in that comprising each component of following weight part:
2. the preparation method of bamboo shoot case fibre as claimed in claim 1/PVC matrix material; Comprise bamboo shoot case fibre pre-treatment and mixing; It is characterized in that: the pre-treatment of described bamboo shoot case fibre is meant the silane coupling agent KH-570 physical mixed of bamboo shoot shell powder and proportional quantity, the described mixing PVC of proportional quantity, pretreated bamboo shoot case fibre, paraffin, the Ca (HCO of being meant
3)
2, ethylene acrylic acid co polymer and dibasic lead stearate disperse 10min at the high speed kneader earlier under rotating speed 1200rpm, 60 ℃ of conditions of temperature, extrude under 180 ℃ of temperature through twin screw extruder then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102316458A CN101885884B (en) | 2010-07-15 | 2010-07-15 | Bamboo shell fiber/PVC composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102316458A CN101885884B (en) | 2010-07-15 | 2010-07-15 | Bamboo shell fiber/PVC composite material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101885884A CN101885884A (en) | 2010-11-17 |
| CN101885884B true CN101885884B (en) | 2012-06-13 |
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| CN102276896A (en) * | 2011-06-24 | 2011-12-14 | 合肥工业大学 | Bamboo shoot shell fiber/PE degradable composite material and preparation method thereof |
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| EP2258760B1 (en) * | 2001-09-25 | 2014-06-25 | ExxonMobil Chemical Patents Inc. | Plasticised polyvinyl chloride |
| CN101173079B (en) * | 2007-10-19 | 2010-04-14 | 东北林业大学 | Xylem filber-polyvinyl chloride composite material and method for producing the same |
| CN101481477B (en) * | 2009-01-31 | 2011-05-04 | 戴福寿 | Wood-plastic material and preparation thereof |
| CN101747645B (en) * | 2009-04-02 | 2012-01-11 | 张义卿 | Method for preparing bamboo plastic composite material |
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