CN113736276A - Fiber-plastic keel and preparation method thereof - Google Patents
Fiber-plastic keel and preparation method thereof Download PDFInfo
- Publication number
- CN113736276A CN113736276A CN202111004838.4A CN202111004838A CN113736276A CN 113736276 A CN113736276 A CN 113736276A CN 202111004838 A CN202111004838 A CN 202111004838A CN 113736276 A CN113736276 A CN 113736276A
- Authority
- CN
- China
- Prior art keywords
- fiber
- keel
- plastic
- composite material
- plastic composite
- 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
Classifications
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/20—Recycled plastic
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a fiber-plastic keel, which is prepared from a fiber-plastic composite material as a raw material, wherein the fiber-plastic composite material is prepared by mixing textile fabrics and plastics. The invention also discloses a preparation method of the fiber-plastic keel. The keel is made of the special fiber-plastic composite material, the fiber-plastic composite material has better mechanical property than a single component, the prepared keel has excellent mechanical property, and meanwhile, the main material is waste, so that the cost is reduced, and resources are fully recycled; the preparation method is simple and feasible, is convenient for large-scale industrial production, is environment-friendly and energy-saving in raw materials, and the prepared keel has excellent performance and wide application field.
Description
Technical Field
The invention belongs to the field of composite materials, and particularly relates to a fiber-plastic keel and a preparation method thereof.
Background
The keel is a building material for supporting a model and fixing a structure, is used as a framework and a base material for decoration, and is widely applied to various places. The wood keel is the most common framework material in home decoration, is widely applied to the manufacture of suspended ceilings, partition walls and solid wood floor frameworks, and is mainly processed into battens with rectangular or square sections by drying and planing pine, basswood, fir and other woods. The wood keel has low price and is easy to construct. However, the wood keel has many problems, such as moisture resistance, easy deformation, fire resistance, possibility of insect and mildew, and the like. Meanwhile, with the enhancement of environmental awareness of people and the reduction of available wood, the price of the wood keel is greatly improved, and a new material is required to replace the wood keel.
Disclosure of Invention
Therefore, the invention aims to solve the technical problems of waste of wood resources and insufficient mechanical properties of the conventional keel, and provides the fiber-plastic keel and the preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the invention provides a fiber-plastic keel, which is made of a fiber-plastic composite material as a raw material;
the fiber-plastic composite material is prepared by mixing textile fabrics and plastics;
the preparation method of the fiber-plastic composite material comprises the steps of crushing, opening, removing impurities and carding the interwoven textile fabric to obtain treated textile fiber; reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture; dispersing fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain a fiber-plastic composite material;
the textile fabric is a new material, a reclaimed material or a compound, a blended material and a mixture of the new material and the reclaimed material, the new material comprises one or more compounds, blended materials and mixtures of chemical fibers, plant fibers and animal fibers, and the reclaimed material comprises old clothes or leftover materials generated in the textile processing process;
the plastic comprises one or more of PE, PP, PVC, PS and ABS;
the mass ratio of the treated textile fibers to the plastic is 1: 0.4-0.8.
Specifically, in the preparation method of the fiber-plastic composite material, the mixing is to mix and extrude the treated textile fiber, the organic matter and the plastic by a screw at the temperature of 150-3；
The dispersion is banburying under the conditions of no oxygen and 220 ℃ of 210-.
Furthermore, the fiber-plastic composite material also comprises auxiliary materials accounting for 10-20 wt% of the total mass, wherein the auxiliary materials comprise one or more of fillers, wood materials and processing aids;
wherein the wood material comprises one or a mixture of wood powder, rice hull and straw.
The filler comprises one or more of limestone, talcum powder, fly ash, construction waste crushing, slag and electronic circuit board crushing.
The auxiliary agent comprises one or more of mineral oil, vegetable oil, stearic acid and derivatives thereof, degraded polyolefin wax, antioxidant, ultraviolet absorbent and the like.
Further, the cross section of the keel is 35-50mm long and 20-30mm wide.
The invention also provides a preparation method of the keel, which comprises the following steps:
s1: extruding the fiber-plastic composite material to obtain a rough keel blank;
s2: hot-pressing the rough keel blank to obtain a rough keel;
s3: and demolding, cutting, sanding and polishing the rough keel to obtain a keel finished product.
Further, in step S1, the extrusion temperature is maintained at 150-200 ℃.
In step S2, the temperature of the die during hot pressing is 80-130 ℃, the hot pressing time is 5-10min, and the hot pressing pressure is 10-20 MPa.
In step S3, the crude keel is left in the mold for 1-3 hours before demolding.
The technical scheme of the invention has the following advantages:
(1) the keel material adopts the specific fiber-plastic composite material as the raw material of the keel, the fiber-plastic composite material has better mechanical property than a single component in the composite material, the prepared keel has excellent mechanical property, and meanwhile, the main material is waste, so that the cost is reduced, and resources are fully recycled.
(2) Compared with the common wood-plastic material, the keel is made of the fiber-plastic composite material, so that the problem of cracking caused by nailing the nail is solved, and the keel is more durable than the common wood-plastic keel.
(3) The preparation method is simple and feasible, is convenient for large-scale industrial production, is environment-friendly and energy-saving in raw materials, and the prepared keel has excellent performance and wide application field.
Detailed Description
The following examples are provided to further understand the present invention, not to limit the scope of the present invention, but to provide the best mode, not to limit the content and the protection scope of the present invention, and any product similar or similar to the present invention, which is obtained by combining the present invention with other prior art features, falls within the protection scope of the present invention.
The examples do not show the specific experimental steps or conditions, and can be performed according to the conventional experimental steps described in the literature in the field. The reagents or instruments used are not indicated by manufacturers, and are all conventional reagent products which can be obtained commercially.
The specific preparation method of the fiber-plastic composite material used in the examples comprises the following steps:
(1) crushing the woven fabric, scattering the woven fabric into a fluffy state, repeating the process for 3 times, removing metal fragments and particles in the woven fabric by using airflow separation, and finally carding for 2 times to obtain the treated textile fiber, wherein the volume of the treated textile fiber is 3 times of that of the woven fabric, and the treated textile fiber is uniform and completely separated single fiber or fiber with a yarn structure;
(2) extruding the treated textile fiber, plastic and auxiliary materials by a screw at 200 ℃ and 100r/min, mixing and reducing the volume to obtain a blocky fiber-plastic mixture with the density of 1200kg/m3Then cooling the fiber-plastic mixture to 140 ℃; wherein the weight ratio of the textile fiber, the plastic and the auxiliary material is 1:0.5: 0.2.
(3) Banburying the fiber-plastic mixture under the conditions of no oxygen and 210 ℃ to enable the fibers to be dispersed in the plastic and form an interface to obtain the massive fiber-plastic composite material, wherein the banburying has a rotor rotating speed of 30r/min, a differential speed ratio of 1.1 and a time of 5 min.
The used textile fabrics are leftover materials and recovered uniform in a clothing factory, and the source is 'two-net fusion' garbage classification and sorting.
The used plastic is PE, and the source is 'two-network integration' garbage classification and sorting.
The used auxiliary materials are wood materials which are waste wood chips of a wood processing factory, and the sources are 'two-net fusion' garbage classification and sorting.
The filler is conventional commercially available 100-mesh calcium carbonate;
the auxiliary agent comprises conventional commercially available rubber processing oil, stearic acid and derivatives thereof, degraded polyolefin wax, antioxidant 1010 and ultraviolet absorbent UV-531;
the mass ratio of each component in the auxiliary materials is waste wood dust: calcium carbonate: rubber process oil: stearic acid: degrading the polyolefin wax: antioxidant: the ultraviolet absorbent is 10:5:1:1:1:1: 1.
Example 1
The embodiment provides a fiber-plastic keel, which is made of a fiber-plastic composite material as a raw material, and the preparation method comprises the following specific steps:
(1) extruding the fiber-plastic composite material at 160 ℃ to obtain a rough keel blank;
(2) and (3) carrying out hot-press molding on the rough keel blank, wherein the mold temperature is 100 ℃, the hot-press time is 5min, and the hot-press pressure is 15MPa during hot-press molding, so as to obtain the rough keel.
(3) And standing the crude keel in a mold for 2 hours, demolding, cutting, sanding and polishing to obtain a keel finished product with the cross section of 20mm x 35 mm.
Example 2
The embodiment provides a fiber-plastic keel, which is made of a fiber-plastic composite material as a raw material, and the preparation method comprises the following specific steps:
(1) extruding the fiber-plastic composite material at 200 ℃ to obtain a rough keel blank;
(2) and (3) carrying out hot-press molding on the rough keel blank, wherein the mold temperature is 80 ℃, the hot-press time is 10min, and the hot-press pressure is 10MPa during hot-press molding, so as to obtain the rough keel.
(3) And standing the crude keel in a mold for 3 hours, demolding, cutting, sanding and polishing to obtain a keel finished product with the cross section of 30mm x 45 mm.
Example 3
The embodiment provides a fiber-plastic keel, which is made of a fiber-plastic composite material as a raw material, and the preparation method comprises the following specific steps:
(1) extruding the fiber-plastic composite material at 150 ℃ to obtain a rough keel blank;
(2) and (3) carrying out hot-pressing molding on the rough keel blank, wherein the mold temperature is 130 ℃, the hot-pressing time is 8min, and the hot-pressing pressure is 20MPa during hot pressing, so as to obtain the rough keel.
(3) And standing the crude keel in a mold for 1 hour, demolding, cutting, sanding and polishing to obtain a keel finished product with the cross section of 25mm x 50 mm.
Test examples
The fiber-plastic composite materials prepared in the examples and comparative examples of the present invention, as well as the PE new material (for injection bottle caps) derived from the Yanshan petrochemical 1300J and the recycled PE of mineral water bottle caps were subjected to performance tests, and the test results are shown in the following table 1:
table 1 keel performance test results of the examples
| Tensile Strength (MPa) | Flexural Strength (MPa) | Flexural modulus (MPa) | |
| PE new material | 22 | 21 | 1100 |
| Recycled PE | 18 | 18 | 600 |
| Example 1 | 41 | 42 | 4500 |
| Example 2 | 39 | 43 | 4200 |
| Example 3 | 42 | 44 | 4300 |
As can be seen from the table above, the performance effect of each example is excellent, and compared with the single-component regenerated PE and the PE new material, the performance of the prepared keel is far higher than that of the other keel.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (7)
1. The fiber-plastic keel is characterized in that the raw material of the fiber-plastic keel is a fiber-plastic composite material;
the fiber-plastic composite material is prepared by mixing textile fabrics and plastics;
the preparation method of the fiber-plastic composite material comprises the steps of crushing, opening, removing impurities and carding the interwoven textile fabric to obtain treated textile fiber; reducing the volume of the treated textile fiber and plastic, and mixing to obtain a fiber-plastic mixture; and dispersing the fibers in the fiber-plastic mixture in the plastic and forming an interface to obtain the fiber-plastic composite material.
2. The keel according to claim 1, further comprising 10-20 wt% of auxiliary materials in the fiber-plastic composite material, wherein the auxiliary materials comprise one or more of fillers, wood materials and processing aids.
3. A method of manufacturing a keel as claimed in claim 1 or 2, wherein the keel has a cross-sectional length of 35-50mm and a width of 20-30 mm.
4. A method of making a keel as described in claims 1-3, comprising the steps of:
s1: extruding the fiber-plastic composite material to obtain a rough keel blank;
s2: hot-pressing the rough keel blank to obtain a rough keel;
s3: and demolding, cutting, sanding and polishing the rough keel to obtain a keel finished product.
5. The method as claimed in claim 4, wherein the extrusion temperature is maintained at 200 ℃ in step S1.
6. The production method according to claim 4 or 5, wherein in step S2, the mold temperature during hot pressing is 80-130 ℃, the hot pressing time is 5-10min, and the hot pressing pressure is 10-20 MPa.
7. The method of any one of claims 4 to 6, wherein the crude keel is left standing in the mold for 1 to 3 hours before the demolding in step S3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004838.4A CN113736276A (en) | 2021-08-30 | 2021-08-30 | Fiber-plastic keel and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111004838.4A CN113736276A (en) | 2021-08-30 | 2021-08-30 | Fiber-plastic keel and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113736276A true CN113736276A (en) | 2021-12-03 |
Family
ID=78733845
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111004838.4A Pending CN113736276A (en) | 2021-08-30 | 2021-08-30 | Fiber-plastic keel and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113736276A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168622A (en) * | 2007-11-19 | 2008-04-30 | 西安理工大学 | A kind of plant straw reinforced polyolefin composite material and its manufacturing method |
| CN110922615A (en) * | 2019-11-27 | 2020-03-27 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of waste polyester fabric reinforced polypropylene composite plastic |
| CN113045877A (en) * | 2021-05-13 | 2021-06-29 | 上海纤苏新材料科技有限公司 | High-performance fiber-plastic composite material |
-
2021
- 2021-08-30 CN CN202111004838.4A patent/CN113736276A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101168622A (en) * | 2007-11-19 | 2008-04-30 | 西安理工大学 | A kind of plant straw reinforced polyolefin composite material and its manufacturing method |
| CN110922615A (en) * | 2019-11-27 | 2020-03-27 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of waste polyester fabric reinforced polypropylene composite plastic |
| CN113045877A (en) * | 2021-05-13 | 2021-06-29 | 上海纤苏新材料科技有限公司 | High-performance fiber-plastic composite material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100406511C (en) | Plastic lignified board and preparation method thereof | |
| CN103265768B (en) | Production method of wood-plastic floorboard | |
| CN101279462B (en) | Compound regenerated environment protecting sheet material and method of preparing the same | |
| CN105504853A (en) | A new type of wood-plastic composite material | |
| CN102924940A (en) | Anti-aging plastic wood composite material and preparation method thereof | |
| CN106751183A (en) | A kind of energy-conserving and environment-protective material and preparation method thereof | |
| CN102558893A (en) | Wood-like bamboo fiber mould composite material | |
| CN104356673A (en) | High-strength micropore plastic-wood composite material panel and preparation method thereof | |
| CN104761808A (en) | Method for preparing polyethylene-based wood-plastic composite material from rice husk powder | |
| CN106675073A (en) | Crushed wood aggregate/spinning waste/plastic waste compound molded product and manufacturing method thereof | |
| CN104558969A (en) | Insect prevention wood plastic interior door and preparation method thereof | |
| CN105086094A (en) | Environment-friendly wood-plastic board and preparation method thereof | |
| CN114316617A (en) | Fiber-plastic section outdoor floor and preparation method thereof | |
| CN113736276A (en) | Fiber-plastic keel and preparation method thereof | |
| CN104761819A (en) | Method for preparing polyethylene-based wood-plastic composite material by utilizing bamboo powder | |
| CN104774368A (en) | Method for preparing polyethylene-based wood-plastic composite material by using bagasse | |
| CN108264705A (en) | A kind of flame-retardant wood-plastic door-plate and preparation method thereof | |
| CN111978753A (en) | Degradable polylactic acid plate and preparation method thereof | |
| CN113831752A (en) | Fiber-plastic dense pressing plate and preparation method thereof | |
| CN111703155A (en) | Wood-plastic composite material and preparation method thereof | |
| CN104774374A (en) | Method for preparing polyethylene-based wood-plastic composite material by using straws | |
| CN102746596B (en) | Nano modified wood-plastic composite plate and preparation method thereof | |
| CN113954482B (en) | Fiber-plastic composite floor and preparation method thereof | |
| CN113736278A (en) | Fiber-plastic section floor tile and preparation method thereof | |
| CN108999007B (en) | Component-deficient plant long fiber and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211203 |