CN102367315A - Corn straw fiber-filled polypropylene composite material and its preparation method - Google Patents
Corn straw fiber-filled polypropylene composite material and its preparation method Download PDFInfo
- Publication number
- CN102367315A CN102367315A CN2011103121644A CN201110312164A CN102367315A CN 102367315 A CN102367315 A CN 102367315A CN 2011103121644 A CN2011103121644 A CN 2011103121644A CN 201110312164 A CN201110312164 A CN 201110312164A CN 102367315 A CN102367315 A CN 102367315A
- Authority
- CN
- China
- Prior art keywords
- composite material
- cornstalk fiber
- polypropylene composite
- cornstalk
- corn straw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to a corn straw fiber-filled polypropylene composite material and its preparation method. The corn straw fiber-filled polypropylene composite material is made from the following components of: by weight, 20-50% of a polypropylene resin, 40-70% of pretreatment corn straw fiber, 1-3% of a dispersant, 3-7% of a high-molecular compatilizer, 1-2% of a coupling agent, 1-2% of an antioxidant and 1-2% of a lubricant. The invention also comprises the preparation method of the corn straw fiber-filled polypropylene composite material. Corn straw fiber and recovered polypropylene are used as the main raw materials so as to avoid the environmental pollution. In addition, the corn straw fiber-filled polypropylene composite material has advantages of high content of corn straw fiber, low manufacturing cost, high physical and mechanical strength and good surface smoothness, is easy to degrade, has a wide application range, and is a novel green environmental protection product of substituting wood for plastic.
Description
Technical field
The present invention relates to the Composite Preparation field, be specifically related to a kind of cornstalk fiber filling polypropylene composite material and preparation method thereof.
Background technology
Existing composite wood board all directly adds sticker by the polylith plank like composite floor board etc. and is composited, and its cost is higher; And the sticker that uses usually contains formaldehyde, causes the pollution to environment, HUMAN HEALTH produced have a strong impact on.The people is also arranged at present at research vegetable fibre plastics composite; But because vegetable fibre is different with the resin matrix surface property, both compound tense bonding interface effects are relatively poor, thereby cause the reduction of matrix material each item performance, influenced applying of this matrix material.On the other hand owing to relatively poor consistency between fiber and the plastic substrate; Make the addition of fiber receive serious limit; In the existing wood plastic composite, the content of vegetable fibre has only 10-25%, and these are very not many for the cost meaning that reduces PP composite material; And expensive additive cost makes the market value of this matrix material be equivalent to even be higher than general-purpose plastics and solid wood, thereby restricted the development and the application of PP composite material.
Summary of the invention
Technical problem to be solved of the present invention provides cheap, cornstalk fiber filling polypropylene composite material of excellent property and preparation method thereof.
Technical scheme of the present invention is: a kind of cornstalk fiber filling polypropylene composite material, being made up of following component by mass percentage:
Acrylic resin 20-50%,
Pretreated cornstalk fiber 40-70%,
Dispersion agent 1-3%,
High molecular compatible agent 3-7%,
Coupling agent 1-2%,
Oxidation inhibitor 1-2%,
Lubricant 1-2%.
In preferred embodiment of the present invention, described Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃, under 2.16 kilograms the test condition, more than the 15g/10min of its melt flow rate(MFR).
In preferred embodiment of the present invention; Described pretreated cornstalk fiber is to be ground into 40-120 purpose powder through kibbler; Use mass concentration as soaking 4-8 hour under the sodium hydroxide solution room temperature of 4-10% then; With clear water washing to neutral, with 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
In preferred embodiment of the present invention, described dispersion agent be water cut less than 3% calcium carbonate powders or water cut less than in 3% the magnesiumcarbonate powder a kind of.
In preferred embodiment of the present invention, described compatilizer is toxilic acid graft polypropylene or toxilic acid grafted ethene-acetate ethylene copolymer.
In preferred embodiment of the present invention, described coupling agent is a kind of of the acid of aluminium ester, titanic acid ester or silane.
In preferred embodiment of the present invention, described oxidation inhibitor is a kind of in Resorcinol or the pyrocatechol.
In preferred embodiment of the present invention, described lubricant is a kind of in industrial paraffin, glycerine or the Triple Pressed Stearic Acid.
The invention also discloses a kind of preparation method of cornstalk fiber filling polypropylene composite material, concrete process step is following:
(1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 40-120 purpose powder with kibbler; Use mass concentration as soaking 4-8 hour under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, dispersion agent, high molecular compatible agent, coupling agent, oxidation inhibitor, lubricant and place high-speed mixer mixing 4-6min, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 165-190 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
Owing to take technique scheme, beneficial effect of the present invention is: the present invention uses the Vestolen PP 7052 of cornstalk fiber and recovery to be main raw material, has avoided the pollution of environment; And cornstalk fiber filling polypropylene composite material of the present invention, the content of cornstalk fiber is high, low cost of manufacture; Physical mechanical strength is high, and surface smoothness is good, water-fast resistance to chemical attack; Be prone to degraded, applied range is that a kind of Dai Mudai of environmental protection moulds product innovation.
Embodiment
Set forth in detail in the face of preferred embodiment of the present invention down, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
Embodiment 1
Acrylic resin 20%,
Pretreated cornstalk fiber 70%,
Water cut is less than 3% lime carbonate 1%,
Toxilic acid graft polypropylene 6%,
Aluminium ester acid 1%,
Resorcinol 1%,
Industrial paraffin 1%.
Wherein, Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃, under 2.16 kilograms the test condition, more than the 15g/10min of its melt flow rate(MFR).
Pretreated cornstalk fiber is to be ground into 40 purpose powder through kibbler; Use mass concentration as soaking 8 hours under the sodium hydroxide solution room temperature of 4-10% then; With clear water washing to neutral, with 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
Preparing method: (1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 40 purpose powder with kibbler; Use mass concentration as soaking 8 hours under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, water cut and place high-speed mixer mixing 4min less than 3% lime carbonate, toxilic acid graft polypropylene, the acid of aluminium ester, Resorcinol, industrial paraffin, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 165 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
Embodiment 2
Vestolen PP 7052 30%,
Pretreated cornstalk fiber 57%,
Water cut is less than 3% magnesiumcarbonate powder 2%,
Toxilic acid grafted ethene-acetate ethylene copolymer 7%,
Titanic acid ester 1%,
Resorcinol 2%,
Glycerine 1%.
Wherein, Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃, under 2.16 kilograms the test condition, more than the 15g/10min of its melt flow rate(MFR).
Pretreated cornstalk fiber is to be ground into 80 purpose powder through kibbler; Use mass concentration as soaking 7 hours under the sodium hydroxide solution room temperature of 4-10% then; With clear water washing to neutral, with 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
Preparing method: (1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 80 purpose powder with kibbler; Use mass concentration as soaking 7 hours under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, water cut and place high-speed mixer mixing 5min less than 3% magnesiumcarbonate powder, toxilic acid grafted ethene-acetate ethylene copolymer, titanic acid ester, Resorcinol, glycerine, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 175 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
Embodiment 3
Vestolen PP 7052 40%,
Pretreated cornstalk fiber 50%,
Water cut is less than 3% lime carbonate 3%,
Toxilic acid graft polypropylene 3%,
Silane 2%,
Pyrocatechol 1%,
Triple Pressed Stearic Acid 1%.
Wherein, Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃, under 2.16 kilograms the test condition, more than the 15g/10min of its melt flow rate(MFR).
Pretreated cornstalk fiber is to be ground into 100 purpose powder through kibbler; Use mass concentration as soaking 6 hours under the sodium hydroxide solution room temperature of 4-10% then; With clear water washing to neutral, with 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
Preparing method: (1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 100 purpose powder with kibbler; Use mass concentration as soaking 6 hours under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, water cut and place high-speed mixer mixing 5min less than 3% lime carbonate, toxilic acid graft polypropylene, silane, pyrocatechol, Triple Pressed Stearic Acid, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 180 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
Embodiment 4
Vestolen PP 7052 50%,
Pretreated cornstalk fiber 40%,
Water cut is less than 3% magnesiumcarbonate powder 3%,
Toxilic acid grafted ethene-acetate ethylene copolymer 3%,
Aluminium ester acid 1%,
Pyrocatechol 1%,
Triple Pressed Stearic Acid 2%.
Wherein, Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃, under 2.16 kilograms the test condition, more than the 15g/10min of its melt flow rate(MFR).
Pretreated cornstalk fiber is to be ground into 120 purpose powder through kibbler; Use mass concentration as soaking 4 hours under the sodium hydroxide solution room temperature of 4-10% then; With clear water washing to neutral, with 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
Preparing method: (1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 120 purpose powder with kibbler; Use mass concentration as soaking 4 hours under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, water cut and place high-speed mixer mixing 6min less than 3% magnesiumcarbonate powder, toxilic acid grafted ethene-acetate ethylene copolymer, the acid of aluminium ester, pyrocatechol, Triple Pressed Stearic Acid, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 190 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
The above; Be merely embodiment of the present invention; But protection scope of the present invention is not limited thereto; Any those of ordinary skill in the art are in the technical scope that the present invention disclosed, and variation or the replacement that can expect without creative work all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain that claims were limited.
Claims (9)
1. a cornstalk fiber filling polypropylene composite material is characterized in that, by mass percentage being made up of following component:
Acrylic resin 20-50%,
Pretreated cornstalk fiber 40-70%,
Dispersion agent 1-3%,
High molecular compatible agent 3-7%,
Coupling agent 1-2%,
Oxidation inhibitor 1-2%,
Lubricant 1-2%.
2. cornstalk fiber filling polypropylene composite material according to claim 1; It is characterized in that described Vestolen PP 7052 is for the Vestolen PP 7052 reclaimed materials of the high workability of recovery, at 230 ℃; 2.16 under the test condition of kilogram, more than the 15g/10min of its melt flow rate(MFR).
3. cornstalk fiber filling polypropylene composite material according to claim 1; It is characterized in that; Described pretreated cornstalk fiber is to be ground into 40-120 purpose powder through kibbler, uses mass concentration as soaking 4-8 hour under the sodium hydroxide solution room temperature of 4-10% then, and is extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber that obtains.
4. cornstalk fiber filling polypropylene composite material according to claim 1 is characterized in that, described dispersion agent be water cut less than 3% calcium carbonate powders or water cut less than in 3% the magnesiumcarbonate powder a kind of.
5. cornstalk fiber filling polypropylene composite material according to claim 1 is characterized in that, described compatilizer is toxilic acid graft polypropylene or toxilic acid grafted ethene-acetate ethylene copolymer.
6. cornstalk fiber filling polypropylene composite material according to claim 1 is characterized in that, described coupling agent is a kind of of the acid of aluminium ester, titanic acid ester or silane.
7. cornstalk fiber filling polypropylene composite material according to claim 1 is characterized in that, described oxidation inhibitor is a kind of in Resorcinol or the pyrocatechol.
8. cornstalk fiber filling polypropylene composite material according to claim 1 is characterized in that, described lubricant is a kind of in industrial paraffin, glycerine or the Triple Pressed Stearic Acid.
9. the preparation method of a cornstalk fiber filling polypropylene composite material is characterized in that, concrete process step is following:
(1) cornstalk fiber pre-treatment: cornstalk fiber is ground into 40-120 purpose powder with kibbler; Use mass concentration as soaking 4-8 hour under the sodium hydroxide solution room temperature of 4-10% then; Extremely neutral with the clear water washing; With 75-85 ℃ under dry to water ratio less than 5%, the pre-treatment cornstalk fiber;
(2) will pass through pretreated cornstalk fiber, acrylic resin, dispersion agent, high molecular compatible agent, coupling agent, oxidation inhibitor, lubricant and place high-speed mixer mixing 4-6min, discharging is subsequent use;
(3) step (2) gained compound is sent in the twin screw extruder; Extruder temperature is set at 165-190 ℃; The extrusion moulding of through port mould is that required section bar perhaps carries out extruding pelletization with corresponding mouthful of mould and dicing machine; Form pellet, the pellet with gained obtains the finished product through mold pressing or injection molding method again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103121644A CN102367315A (en) | 2011-10-17 | 2011-10-17 | Corn straw fiber-filled polypropylene composite material and its preparation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103121644A CN102367315A (en) | 2011-10-17 | 2011-10-17 | Corn straw fiber-filled polypropylene composite material and its preparation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102367315A true CN102367315A (en) | 2012-03-07 |
Family
ID=45759910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103121644A Pending CN102367315A (en) | 2011-10-17 | 2011-10-17 | Corn straw fiber-filled polypropylene composite material and its preparation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102367315A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709773A (en) * | 2013-12-12 | 2014-04-09 | 湖北工业大学 | Alkaline thiourea disentangled straw/resin composite board making method |
| CN105017645A (en) * | 2015-08-05 | 2015-11-04 | 安徽顺彤包装材料有限公司 | High-strength plastic film used for packaging |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621440A (en) * | 2004-10-21 | 2005-06-01 | 俞立群 | Plastic lignified board and its making method |
| CN101531788A (en) * | 2008-03-14 | 2009-09-16 | 鹏马环保塑料有限公司 | Modified environment-friendly polyolefin material and preparation method thereof |
| CN102085680A (en) * | 2010-11-26 | 2011-06-08 | 江南大学 | Preparation method of crop straw fiber ecological composite material |
-
2011
- 2011-10-17 CN CN2011103121644A patent/CN102367315A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1621440A (en) * | 2004-10-21 | 2005-06-01 | 俞立群 | Plastic lignified board and its making method |
| CN101531788A (en) * | 2008-03-14 | 2009-09-16 | 鹏马环保塑料有限公司 | Modified environment-friendly polyolefin material and preparation method thereof |
| CN102085680A (en) * | 2010-11-26 | 2011-06-08 | 江南大学 | Preparation method of crop straw fiber ecological composite material |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103709773A (en) * | 2013-12-12 | 2014-04-09 | 湖北工业大学 | Alkaline thiourea disentangled straw/resin composite board making method |
| CN103709773B (en) * | 2013-12-12 | 2016-02-10 | 湖北工业大学 | The preparation method of alkali urea disentanglement stalk/resin composite plates |
| CN105017645A (en) * | 2015-08-05 | 2015-11-04 | 安徽顺彤包装材料有限公司 | High-strength plastic film used for packaging |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101698749B (en) | Wood-plastic composite material and prepration method thereof | |
| CN101967294B (en) | Vegetable fiber polyvinyl chloride plastic composite material and preparation method thereof | |
| CN103360674B (en) | A kind of Wood powder composite foam material and preparation method thereof | |
| CN101596732B (en) | Manufacturing method for wood-plastic composite floor | |
| CN103525110B (en) | A kind of high strength PE wood plastic composite and preparation method thereof | |
| CN102352116B (en) | Wood-plastic composite material and preparation method thereof | |
| CN101942207B (en) | Wood powder-polyvinyl chloride compound material and preparation method thereof | |
| CN101974239B (en) | Wood plastic composite and preparation process thereof | |
| CN104004371B (en) | Novel wood-plastic composite material utilizing plant straws and forming plate manufactured by composite material | |
| CN101967297B (en) | Bagasse polypropylene composite material and preparation method thereof | |
| CN103665631B (en) | A kind of Polyvinyl chloride wood-plastic composite material | |
| CN102140255A (en) | Hot-press type wood plastic composite for toy and preparation method thereof | |
| CN102382374A (en) | Fiber reinforced polypropylene (PP) automobile interior decoration material and preparation method thereof | |
| CN103360776B (en) | A kind of production technology of high-intensity wood plastic composite | |
| CN104371293B (en) | A kind of glass fibre toughen and intensify polycarbonate composite material and preparation method | |
| CN102558679A (en) | Novel bamboo fiber/polypropylene composite material and method for preparing same | |
| CN102952318A (en) | Toughened plastic tray and preparation method thereof | |
| CN103642259B (en) | A kind of fire-retardant polyolefin based wood plastic composite material | |
| CN103540074A (en) | Novel compatilizer masterbatch for high filled polyolefin material and preparation method thereof | |
| CN103665901B (en) | A kind of Antibacterial wood-plastic composite material | |
| CN103709775A (en) | Preparation method of high-strength wood-plastic composite section bar | |
| CN100393810C (en) | Bamboo powder-polyvinyl chloride composite materials and process for preparing same | |
| CN103333512A (en) | Salix psammophila/polyethylene wood-plastic composite material and preparation method thereof | |
| CN102558670A (en) | Flax fiber reinforced polypropylene composite material and its preparation method | |
| CN102367315A (en) | Corn straw fiber-filled polypropylene composite material and its preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120307 |