CN107141585A - A kind of string, its preparation method and application - Google Patents
A kind of string, its preparation method and application Download PDFInfo
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- CN107141585A CN107141585A CN201710310570.4A CN201710310570A CN107141585A CN 107141585 A CN107141585 A CN 107141585A CN 201710310570 A CN201710310570 A CN 201710310570A CN 107141585 A CN107141585 A CN 107141585A
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N1/00—Pretreatment of moulding material
- B27N1/02—Mixing the material with binding agent
- B27N1/0209—Methods, e.g. characterised by the composition of the agent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27N—MANUFACTURE BY DRY PROCESSES OF ARTICLES, WITH OR WITHOUT ORGANIC BINDING AGENTS, MADE FROM PARTICLES OR FIBRES CONSISTING OF WOOD OR OTHER LIGNOCELLULOSIC OR LIKE ORGANIC MATERIAL
- B27N3/00—Manufacture of substantially flat articles, e.g. boards, from particles or fibres
- B27N3/08—Moulding or pressing
- B27N3/10—Moulding of mats
- B27N3/12—Moulding of mats from fibres
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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
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08L55/00—Compositions of homopolymers or copolymers, obtained by polymerisation reactions only involving carbon-to-carbon unsaturated bonds, not provided for in groups C08L23/00 - C08L53/00
- C08L55/02—ABS [Acrylonitrile-Butadiene-Styrene] polymers
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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
- C08L97/00—Compositions of lignin-containing materials
- C08L97/02—Lignocellulosic material, e.g. wood, straw or bagasse
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
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- Forests & Forestry (AREA)
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Abstract
The invention discloses a kind of preparation method of string, comprise the following steps：(1) chopped string is put into mixing plant and be stirred, while spraying adhesive, obtain preprocessing plant fibre；(2) the preprocessing plant fibre progress obtained step (1) is hot-forming, obtains vegetable fibre board；(3) vegetable fibre board for obtaining step (2) carries out punch forming, obtains a diameter of 3~9mm string disk, as described string.Simultaneously, the present invention also provides a kind of string prepared by methods described and its application, string of the present invention, it can be quantitatively adding in polymer matrix body, both it can guarantee that chopped string was not cut in process, and can guarantee that chopped string plays enhanced effect in polymeric matrix again.
Description
Technical field
The present invention relates to a kind of fiber, its preparation method and application, especially a kind of string, its preparation method and should
With.
Background technology
Sisal fiber is strong but pliable in texture, wear-resisting, Salt And Alkali Tolerance, corrosion-resistant, is widely used in transport, fishery, oil, metallurgy etc. each
Industry is planted, with important economic value.Sisal hemp can produce substantial amounts of chopped strand during production and use, by these
Chopped strand is added in polymer matrix body and is prepared into composite, can increase substantially material mechanical performance and heat resistance
Can, this can substitute more automobile structures, so as to reach the purpose of automotive light weight technology.
The inorfils such as short glass fiber after polymeric matrix mixed at high speed mainly by with being added to twin-screw extrusion
Mixed in machine, so as to play the effect of enhancing mechanical properties of polymer.Because the string that is chopped is compared with short glass fiber density
Small, quality is fluffy, it is difficult to which direct quantitative is added in polymer matrix body；Simultaneously because the equipment used is double screw extruder,
In composite material is prepared, chopped strand is cut into shorter fiber, it can not be sent out completely in polymer matrix body
Wave its performance.At present, the common practice for string reinforced thermoplastics is that string is worn into powder, then with gathering
Compound is mixed with composite product, and this technique can not play the function of sisal fiber, therefore string is in polymer
Application in matrix is limited.
The content of the invention
Based on this, a kind of string is provided it is an object of the invention to overcome above-mentioned the deficiencies in the prior art part
Preparation method.
To achieve the above object, the technical solution used in the present invention is：A kind of preparation method of string, including with
Lower step：
(1) chopped string is put into mixing plant and be stirred, while spraying adhesive, obtain pre-processing plant
Fiber；
(2) the preprocessing plant fibre progress obtained step (1) is hot-forming, obtains vegetable fibre board；
(3) vegetable fibre board for obtaining step (2) carries out punch forming, obtains a diameter of 3~9mm string circle
Piece, as described string.
It is short that chopped string in the step (1) includes but is not limited to sisal hemp, jute, ramie, cotton, Wheat Straw etc.
Cut plant fiber.
Preferably, the adhesive in the step (1) is ureaformaldehyde solution, and the consumption of the ureaformaldehyde solution is the plant fibre that is chopped
The weight/mass percentage composition for tieing up ureaformaldehyde in the 10%~30% of quality, the ureaformaldehyde solution is 40%~70%.Spray ureaformaldehyde solution
When weight/mass percentage composition is less than 10%, the bonding strength between fiber is poor, and sheet material is when carrying out punching press film-making, and fiber is fugitive
Open, it is impossible to be prepared into qualified fiber sequin, qualification rate is relatively low.When spraying ureaformaldehyde solution quality percentage composition higher than 30%,
The fiber sequin prepared in aforementioned manners, when same thermoplastic is mixed, because ureaformaldehyde content is high, interfibrous cohesive force
It is too strong, so as to influence string scattered in plastic substrate.
Preferably, in the step (1), the speed of stirring is 30~50r/min, and the time of stirring is 5~10 minutes.
Preferably, in the step (2), hot-forming temperature is 160 DEG C~180 DEG C, hot-forming time for 5~
10 minutes.
Preferably, in the step (2), the thickness of vegetable fibre board is 2mm~4mm.Use this thickness fiberboard system
The appearance and size of standby plant fiber particle is suitable with plastic grain size, beneficial to the blanking of material in process.
The present invention also provides a kind of string prepared by above-mentioned preparation method.The string can directly be determined
Amount is added in polymer matrix body, plays the function of string, preferably the performance of enhancing polymer.
Meanwhile, the present invention also provides a kind of polymer matrix composite for including above-mentioned string.The composite
Mechanical property is good, dimensional stability is high.
Preferably, the polymer matrix composite, includes the component of following parts by weight：
80~100 parts of thermoplastic, 10~40 parts of string, 2~4 parts of maleic anhydride inoculated polypropylene, polyethylene
0.5~1 part of wax, 0.5~1 part of antioxidant 1010,0.5~1 part of irgasfos 168.
It is highly preferred that the thermoplastic be polyethylene (PE) plastics, polypropylene (PP) plastics, polyvinyl chloride (PVC),
One kind in acrylonitrile-butadiene-styrene copolymer (ABS) plastics.
In addition, the present invention also provides a kind of preparation method of above-mentioned polymer matrix composite, comprise the following steps：
(1) each component is well mixed, obtains compound；
(2) draft flowing deformation extruder is utilized, the compound that step (1) is obtained carries out extruding pelletization, obtains composite
Particle；
(3) composite material granular obtained by step (2) is subjected to injection moulding, obtains the polymer matrix composite.
Preferably, in the step (1), each component is mixed 10~20 minutes in batch mixer, wherein, turn of batch mixer
Speed is 400r/min.
Preferably, the draft flowing deformation extruder in the step (2), the temperature in the area of machine barrel one is 150 DEG C, the area of machine barrel two
Temperature is 200 DEG C, 200 DEG C of the temperature in the area of machine barrel three, and die head temperature is 200 DEG C.
Preferably, the draft flowing deformation extruder in the step (2), root diameter is 40mm, and rotor speed is set as
60r/min。
Conventional double screw extruder relies primarily on shearing force, and material dispersion is uniform, but in process, chopped plant
Fibres can also be cut；And draft flowing deformation extruder used in the present invention relies primarily on tensile stress makes material dispersion (class
Seemingly knead dough action), its biggest advantage is that chopped strand will not be cut, so as to protect while ensureing that material dispersion is uniform
The enhancing function of the chopped string of card.
Meanwhile, the present invention also provides a kind of application of string of the present invention in composite is prepared.Utilize plant
Fibres effectively strengthen composite, further expand the application of string.
Relative to prior art, beneficial effects of the present invention are：
The string that preparation method of the present invention is obtained, can be quantitatively adding in polymer matrix body, on the one hand can guarantee that short
The fiber that cuts plant is not cut into shorter fiber in process, and the string that on the one hand ensures to be chopped is in polymeric matrix
In play enhanced effect, improving the mechanical property and dimensional stability of composite, (mechanical property improves 40% or so, size
Stability improves more than 1 times), expand the application of composite；Solving chopped string should in polymeric matrix
With restricted problem, realize that high-qualityization of plant refuse is utilized, further realize the recycling of plant refuse.
Brief description of the drawings
Fig. 1 is a kind of chopped string figure used in string preparation method step (1) of the present invention；
Fig. 2 is obtained a kind of vegetable fibre board figure in string preparation method step (2) of the present invention；
Fig. 3 is obtained a kind of string wafer map in string preparation method step (3) of the present invention；
Fig. 4 is a kind of scanning electron microscope (SEM) photograph of control group resulting polymers based composites in embodiment 6；
Fig. 5 is a kind of scanning electron microscope (SEM) photograph of polymer matrix composite of the present invention.
Embodiment
To better illustrate the object, technical solutions and advantages of the present invention, below in conjunction with the drawings and specific embodiments pair
The present invention is described further.The draft flowing deformation that used draft flowing deformation extruder is invented for the flat academicians of Qu Jin in the present embodiment
Extruder (patent authorization number CN 100496927C).
Embodiment 1
A kind of embodiment of string of the present invention, string described in the present embodiment is prepared by the following method institute
：
(1) the chopped string of sisal hemp is put into special mixing plant and be stirred, while spraying ureaformaldehyde quality percentage
Content is 70% ureaformaldehyde solution, and the consumption of the ureaformaldehyde solution is the 10% of chopped string quality, obtains pretreatment and plants
Fibres；Wherein, mixing speed is 30r/min, and mixing time is 10 minutes；
(2) preprocessing plant fibre for obtaining step (1) is put into the hot-forming fiber thick for 2mm in special die
Plate；Wherein, hot-forming temperature is 160 DEG C, and the hot-forming time is 5 minutes；
(3) fiberboard for obtaining step (2) is put into the sequin (accompanying drawing 3) that a diameter of 3mm is struck out on punch press, obtains
Sisal plant fiber.
A kind of polymer matrix composite, includes the component of following parts by weight：
100 parts of thermoplasticity PP plastics, 10 parts of sisal plant fiber, 4 parts of maleic anhydride inoculated polypropylene, Tissuemat E 0.5
Part, 0.8 part of antioxidant 1010,1 part of irgasfos 168.
A kind of preparation method of above-mentioned polymer matrix composite, comprises the following steps：
(1) above-mentioned each component is added in batch mixer, in the case where rotating speed is 400r/min, mixes 10 minutes, be well mixed
Afterwards, compound is obtained；
(2) draft flowing deformation extruder is utilized, the compound that step (1) is obtained carries out extruding pelletization, obtains composite
Particle；Wherein draft flowing deformation extruder root diameter is 40mm, and 150 DEG C of 1 area's temperature of machine barrel, two area's temperature are 200 DEG C, three area's temperature
200 DEG C of degree, 200 DEG C of die head temperature, rotor speed is set as 60r/min；
(3) composite material granular obtained by step (2) is subjected to injection moulding, obtains the polymer matrix composite.
Embodiment 2
A kind of embodiment of string of the present invention, string described in the present embodiment is prepared by the following method institute
：
(1) the chopped string of ramie is put into special mixing plant and be stirred, while spraying ureaformaldehyde quality percentage
Content is 55% ureaformaldehyde solution, and the consumption of the ureaformaldehyde solution is the 20% of chopped string quality, obtains pretreatment and plants
Fibres；Wherein, mixing speed is 50r/min, and mixing time is 5 minutes；
(2) preprocessing plant fibre for obtaining step (1) is put into the hot-forming fiber thick for 3mm in special die
Plate；Wherein, hot-forming temperature is 170 DEG C, and the hot-forming time is 10 minutes；
(3) fiberboard for obtaining step (2) is put into the sequin (accompanying drawing 3) that a diameter of 6mm is struck out on punch press, obtains
Ramie string.
A kind of polymer matrix composite, includes the component of following parts by weight：
80 parts of thermoplastic PVC plastics, 25 parts of ramie string, 2 parts of maleic anhydride inoculated polypropylene, Tissuemat E 0.8
Part, 0.5 part of antioxidant 1010,0.5 part of irgasfos 168.
A kind of preparation method of above-mentioned polymer matrix composite, comprises the following steps：
(1) above-mentioned each component is added in batch mixer, in the case where rotating speed is 400r/min, mixes 15 minutes, be well mixed
Afterwards, compound is obtained；
(2) draft flowing deformation extruder is utilized, the compound that step (1) is obtained carries out extruding pelletization, obtains composite
Particle；Wherein draft flowing deformation extruder root diameter is 40mm, and 150 DEG C of 1 area's temperature of machine barrel, two area's temperature are 200 DEG C, three area's temperature
200 DEG C of degree, 200 DEG C of die head temperature, rotor speed is set as 60r/min.
(3) composite material granular obtained by step (2) is subjected to injection moulding, obtains the polymer matrix composite.
Embodiment 3
A kind of embodiment of string of the present invention, string described in the present embodiment is prepared by the following method institute
：
(1) the chopped string of Wheat Straw is put into special mixing plant and be stirred, while spraying ureaformaldehyde quality hundred
Divide the ureaformaldehyde solution that content is 40%, the consumption of the ureaformaldehyde solution is the 30% of chopped string quality, is pre-processed
String；Wherein, mixing speed is 40r/min, and mixing time is 7 minutes；
(2) preprocessing plant fibre for obtaining step (1) is put into the hot-forming fiber thick for 4mm in special die
Plate；Wherein, hot-forming temperature is 180 DEG C, and the hot-forming time is 7 minutes；
(3) fiberboard for obtaining step (2) is put into the sequin (accompanying drawing 3) that a diameter of 9mm is struck out on punch press, obtains
Wheat Straw string.
A kind of polymer matrix composite, includes the component of following parts by weight：
90 parts of thermoplastic abs plastics, 40 parts of Wheat Straw string, 3 parts of maleic anhydride inoculated polypropylene, Tissuemat E 1
Part, 1 part of antioxidant 1010,0.8 part of irgasfos 168.
A kind of preparation method of above-mentioned polymer matrix composite, comprises the following steps：
(1) above-mentioned each component is added in batch mixer, in the case where rotating speed is 400r/min, mixes 20 minutes, be well mixed
Afterwards, compound is obtained；
(2) draft flowing deformation extruder is utilized, the compound that step (1) is obtained carries out extruding pelletization, obtains composite
Particle；Wherein draft flowing deformation extruder root diameter is 40mm, and 150 DEG C of 1 area's temperature of machine barrel, two area's temperature are 200 DEG C, three area's temperature
200 DEG C of degree, 200 DEG C of die head temperature, rotor speed is set as 60r/min.
(3) composite material granular obtained by step (2) is subjected to injection moulding, obtains the polymer matrix composite.
Embodiment 4
The present embodiment is as a kind of comparative example of polymer matrix composite of the present invention, plant fibre described in the present embodiment
Dimension is prepared by the following method gained：
(1) 80~100 parts of thermoplastic PP or resin, 10~40 parts of precipitated calcium carbonate (1250 mesh), maleic acid are weighed
2~4 parts of acid anhydride graft PP, 0.5~1 part of Tissuemat E, 0.5~1 part of White Mineral Oil, 0.5~1 part of antioxidant 1010, irgasfos 168
0.5~1 part, it is added in mixer, mixes 10~20 minutes；Mixing velocity 400r/min.
(2) by mixed raw material parallel double-screw extruder extruding pelletization, composite material granular is obtained；Wherein screw rod is straight
Footpath is 20mm, and 170 DEG C of 1 area's temperature of machine barrel, the area's temperature of machine barrel 2 is 180 DEG C, 190 DEG C of 3 area's temperature of machine barrel, the area's temperature 190 of machine barrel 4
DEG C, the area's temperature of machine barrel 5 is 190 DEG C, 200 DEG C of 6 area's temperature of machine barrel, 200 DEG C of die head temperature.Screw speed is set as 120rpm, feeds
Expect speed 50rpm.
(3) composite material granular prepared is prepared into test bars using injection moulding.
Embodiment 5
The present embodiment is as a kind of comparative example of polymer matrix composite of the present invention, plant fibre described in the present embodiment
Dimension is prepared by the following method gained：
(1) chopped string is added in flour mill, the string powder of 80 mesh, the sieving of string powder is made
Rate is more than 90%；
(2) 80~100 parts of thermoplastic or resin, 10~40 parts of sisal hemp powder prepared by the 1st step, maleic anhydride are weighed
2~4 parts of graft PP, 0.5~1 part of Tissuemat E, 0.5~1 part of antioxidant 1010,0.5~1 part of irgasfos 168 is added to
In batch mixer, mix 10~20 minutes；Mixing velocity 400r/min；
(3) by mixed raw material parallel double-screw extruder extruding pelletization, composite material granular is obtained；Wherein screw rod is straight
Footpath is 20mm, and 170 DEG C of 1 area's temperature of machine barrel, the area's temperature of machine barrel 2 is 180 DEG C, 190 DEG C of 3 area's temperature of machine barrel, the area's temperature 190 of machine barrel 4
DEG C, the area's temperature of machine barrel 5 is 190 DEG C, 200 DEG C of 6 area's temperature of machine barrel, 200 DEG C of die head temperature.Screw speed is set as 120rpm, feeds
Expect speed 50rpm；
(4) composite material granular prepared is prepared into test bars using injection moulding.
Embodiment 6
The present embodiment carries out test analysis to the performance of polymer matrix composite of the present invention, and embodiment 1~3 is set
Experimental group 1~3 is set to, each component content in the method for embodiment 4 is identical with embodiment 1~3 respectively, three groups of controls are set
Group, respectively control group 1~3, each component content in the method for embodiment 5 is identical with embodiment 1~3 respectively, set three groups
The performance test results of control group, respectively control group 4~6, experimental group 1~3 and control group 1~6 are as shown in table 1：
The performance test results of the polymer matrix composite of table 1
From table 1 it follows that each performance in experimental group is substantially better than control group, this explanation with commonly using in the prior art
Method compare, the preparation method of the preparation method of string of the present invention and the polymer matrix composite, prepare
Obtained polymer matrix composite, each performance is substantially strengthened.
In addition, the present embodiment has carried out ESEM point to control group and experimental group resulting polymers based composites respectively
Analysis, such as accompanying drawing 4 (control group resulting polymers based composites) and accompanying drawing 5 (experimental group resulting polymers based composites) institute
Show, from fig. 4, it can be seen that in control group resulting polymers based composites, string difficulties in dispersion and being sheared shortens；From
Fig. 5 can be seen that in experimental group resulting polymers based composites, and string is dispersed and length keeps good, so that
Ensure the enhancing function of chopped string.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than the present invention is protected
The limitation of scope is protected, although being explained in detail with reference to preferred embodiment to the present invention, one of ordinary skill in the art should
Understand, technical scheme can be modified or equivalent substitution, without departing from the essence of technical solution of the present invention
And scope.
Claims (10)
1. a kind of preparation method of string, it is characterised in that comprise the following steps：
(1) chopped string is put into mixing plant and be stirred, while spraying adhesive, obtain pretreatment plant fine
Dimension；
(2) the preprocessing plant fibre progress obtained step (1) is hot-forming, obtains vegetable fibre board；
(3) vegetable fibre board for obtaining step (2) carries out punch forming, obtains a diameter of 3~9mm string disk,
As described string.
2. the preparation method of string as claimed in claim 1, it is characterised in that the adhesive in the step (1) is
Ureaformaldehyde solution, the consumption of the ureaformaldehyde solution is the 10%~30% of chopped string quality, ureaformaldehyde in the ureaformaldehyde solution
Weight/mass percentage composition be 40%~70%.
3. the preparation method of string as claimed in claim 1 or 2, it is characterised in that in the step (2), be hot pressed into
The temperature of type is 160 DEG C~180 DEG C, and the hot-forming time is 5~10 minutes.
4. a kind of string prepared by any one of claims 1 to 3 preparation method.
5. a kind of polymer matrix composite for including string described in claim 4.
6. polymer matrix composite as claimed in claim 5, it is characterised in that include the component of following parts by weight：
80~100 parts of thermoplastic, 10~40 parts of string, 2~4 parts of maleic anhydride inoculated polypropylene, Tissuemat E 0.5
~1 part, 0.5~1 part of antioxidant 1010,0.5~1 part of irgasfos 168.
7. polymer matrix composite as claimed in claim 6, it is characterised in that the thermoplastic is moulded for polyethylene
One kind in material, polypropylene plastics, igelite, acrylonitrile-butadiene-styrene copolymer plastics.
8. a kind of preparation method of the polymer matrix composite as described in any one of claim 4~7, it is characterised in that including
Following steps：
(1) each component is well mixed, obtains compound；
(2) draft flowing deformation extruder is utilized, the compound that step (1) is obtained carries out extruding pelletization, obtains composite material granular；
(3) composite material granular obtained by step (2) is subjected to injection moulding, obtains the polymer matrix composite.
9. the preparation method of polymer matrix composite as claimed in claim 8, it is characterised in that in the step (1), will be each
Component is mixed 10~20 minutes in batch mixer, wherein, the rotating speed of batch mixer is 400r/min.
10. a kind of application of string as claimed in claim 4 in composite is prepared.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108863166A (en) * | 2018-08-15 | 2018-11-23 | 河南东贵电子科技有限公司 | A kind of environment-friendly materials and preparation method thereof |
| CN111363239A (en) * | 2020-03-27 | 2020-07-03 | 华南理工大学 | A kind of wood-plastic composite material with high toughness and high strength and preparation method thereof |
| CN113087434A (en) * | 2021-03-18 | 2021-07-09 | 西交利物浦大学 | Straw and polymer composite fiber reinforced material for concrete and preparation method thereof |
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| CN102702602A (en) * | 2012-06-07 | 2012-10-03 | 天津聚贤达科技有限公司 | Novel wood-plastic composite material |
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Application publication date: 20170908 |