CN105670262A - Method for preparing polycarbonate-carbon fiber composite material - Google Patents
Method for preparing polycarbonate-carbon fiber composite material Download PDFInfo
- Publication number
- CN105670262A CN105670262A CN201610223943.XA CN201610223943A CN105670262A CN 105670262 A CN105670262 A CN 105670262A CN 201610223943 A CN201610223943 A CN 201610223943A CN 105670262 A CN105670262 A CN 105670262A
- Authority
- CN
- China
- Prior art keywords
- carbon
- polycarbonate
- hours
- fibre composite
- preparation
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
- C08K13/06—Pretreated ingredients and ingredients covered by the main groups C08K3/00 - C08K7/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- 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
- C08K3/02—Elements
- C08K3/04—Carbon
-
- 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
- C08K7/00—Use of ingredients characterised by shape
- C08K7/02—Fibres or whiskers
- C08K7/04—Fibres or whiskers inorganic
- C08K7/06—Elements
-
- 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
- C08K9/00—Use of pretreated ingredients
- C08K9/10—Encapsulated ingredients
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
- B29C2948/9259—Angular velocity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Artificial Filaments (AREA)
Abstract
The invention provides a method for preparing a polycarbonate-carbon fiber composite material.The method includes the following steps that firstly, coffee residues and chestnut shells are dried, smashed and screened to obtain mixed powder, the mixed powder is placed in a potassium hydroxide solution and soaked, a mixed solution is obtained, a filter cake is obtained after suction filtration, the filter cake is placed in an oven, dried and placed in a tubular furnace, and mixed carbon powder is obtained; secondly, an isocyanate coupling agent is added into deionized water to obtain a coupling agent solution, the mixed carbon powder is added into the coupling agent solution and subjected to constant-temperature water bath stirring, the mixed carbon powder is taken out and placed in the oven to be dried, and modified carbon powder is obtained; thirdly, polycarbonate is dried and evenly mixed with antioxidant, a light stabilizer, a lubricating agent, a flame-retardant agent and the modified carbon powder to obtain a mixed material; fourthly, the mixed material is added into a double-screw extruder to be melted and extruded, carbon fibers are added into a lateral feed inlet, cooling, granulation and drying are conducted, and the polycarbonate-carbon fiber composite material is obtained.The composite material prepared through the method has good anion release performance and can purify surrounding air.
Description
Technical field:
The present invention relates to a kind of carbon-fibre composite, particularly relate to the preparation method of a kind of polycarbonate-carbon-fibre composite for bicycle accessories aspect.
Background technology:
The material of bike, except the chromemolybdenum steel used before, also has the novel material that aluminium, titanium, carbon fibre, magnesium etc. constantly occur. The feature of carbon fiber bicycle frame be gently, bending, impact absorbency is good, but give full play to the excellent properties of carbon fiber, seem it is not so easy technically, the quality discrepancy between each carbon fibre material producer is also bigger. Bike producer considers cost problem, and the high-grade carbon fiber of unlikely use makes vehicle frame. Although there is above-mentioned realistic problem, but carbon fiber bicycle frame still has the unexistent advantage of other materials: it can manufacture 8, the light weight bike of about 9kg, this kind of carbon fiber light weight bike, its advantage is best embodied when stepping on slope, step on slope frank smoothly, and as some light aluminium alloy bicycle frames, when stepping on slope, can not feel there is a kind of strength drawn backward. The carbon-fibre composite of bicycle use is a kind of material being shaped by carbon fiber hardening of resin, and very gently, but it is the material (stretch by force but easily break) with directivity, therefore adopts the method for thin bed of material layer overlap to solve shortcoming. At present, atmospheric pollution in the outdoor environment that people ride is more and more serious, especially the air ratio in morning is more dirty, often needs to wear the appurtenances such as mouth mask to reduce the impact of pollution, and present stage also can play the effect of purifying ambient air without any a kind of bike material.
Publication number is CN103958612A, publication date is 2014.07.30, the Chinese patent that application people is Dongli Ltd. discloses " fibre reinforced thermoplastic resin composition, the pellet of said composition and shaping product ", described shaping product are for using containing (A) thermoplastic resin, (B) carbon fiber carries out shaping product that are shaping and that become with the thermoplastic resin composition of (C) titanium compound, count taking the total amount of (A) thermoplastic resin Yu (B) carbon fiber as 100 weight %, (A) thermoplastic resin is 10～65 weight %, (B) carbon fiber is 35～90 weight %, taking the total amount of (A) thermoplastic resin and (B) carbon fiber as 100 parts by weight, (C) titanium compound is 0.1～5 weight part.This invention provides the fibre reinforced thermoplastic resin composition excellent, particularly bending elastic modulus, intensity, outward appearance/designability excellence such as a kind of mechanical characteristics, appearance and shaping product thereof, can be used for the parts such as the framework of making bike, pedal, front fork, handle, brake support frame, bent axle, seat post, wheel, special purpose shoes, but the product that this invention provides does not possess the function of purification air equally.
Summary of the invention:
The technical problem to be solved in the present invention is to provide the preparation method of a kind of polycarbonate-carbon-fibre composite, prepares the matrix material and has good Negative ion disengagement, can purifying ambient air.
For solving the problems of the technologies described above, the technical scheme of the present invention is:
A preparation method for polycarbonate-carbon-fibre composite, its step is as follows:
(1) by coffee grounds, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) by polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that oxidation inhibitor, photostabilizer, lubricant, fire retardant, step (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by the carbon fiber side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Preferably, in step of the present invention (1), the weight ratio of coffee grounds, chestnut shell is 2:3.
Preferably, in step of the present invention (1), the weight ratio of powder mix and potassium hydroxide solution is 3:5.
Preferably, in step of the present invention (2), the weight ratio of mixing carbon dust and isocyanate coupler is 50:1.
Preferably, count by weight, polycarbonate 80-88 part, oxidation inhibitor 0.5-1 part, photostabilizer 0.1-0.6 part, lubricant 0.5-1 part, fire retardant 6-9 part, modification powdered carbon 10-15 part, carbon fiber 9-12 part.
Preferably, in step of the present invention (3), polycarbonate is bisphenol A polycarbonate.
Preferably, in step of the present invention (3), oxidation inhibitor is antioxidant 1076.
Preferably, in step of the present invention (3), photostabilizer is photostabilizer 944.
Preferably, in step of the present invention (3), lubricant is pentaerythritol stearate.
Preferably, in step of the present invention (3), fire retardant is phosphorus flame retardant.
Compared with prior art, the present invention has following useful effect:
Coffee grounds is that people have boiled the waste residue remained by coffee, the shell that chestnut shell is remaining after being then the edible chestnut of people, these two kinds of materials often discarded by people contain more carbonaceous, the powdered carbon with negative ion releasing function is defined after activation of potassium hydroxide and high temperature carbonization, but consistency between powdered carbon and polycarbonate matrix is poor, easily reunite, the direct blended mechanical property that can reduce matrix material, therefore it is carried out surface modification treatment by isocyanate coupler by the present invention, there is chemical reaction and define coating layer in isocyanate coupler and powdered carbon surface, and consistency between isocyanate groups and polycarbonate is fine, so just, substantially improve the consistency between powdered carbon and polycarbonate matrix, make to define the higher interface cohesion of intensity therebetween, thus greatly improve the Negative ion disengagement of matrix material, in addition, coffee grounds, chestnut shell are environmental protection salvage material, therefore also can effectively improve the environmental-protecting performance of matrix material, reduce production cost.
Embodiment:
Below in conjunction with specific embodiment, the present invention being described in detail, illustrative examples and explanation in this present invention are used for explaining the present invention, but not as a limitation of the invention.
Embodiment 1
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 84 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 0.7 part of oxidation inhibitor, 0.1 part of photostabilizer, 1 part of lubricant, 8.5 parts of fire retardants, 14 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 10 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Embodiment 2
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 88 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 0.5 part of oxidation inhibitor, 0.4 part of photostabilizer, 0.8 part of lubricant, 7 parts of fire retardants, 12 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 11 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Embodiment 3
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 85 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 0.9 part of oxidation inhibitor, 0.6 part of photostabilizer, 0.5 part of lubricant, 8 parts of fire retardants, 13 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 10.5 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Embodiment 4
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 80 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 1 part of oxidation inhibitor, 0.3 part of photostabilizer, 0.7 part of lubricant, 6.5 parts of fire retardants, 11 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 9 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Embodiment 5
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 81 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 0.6 part of oxidation inhibitor, 0.2 part of photostabilizer, 0.9 part of lubricant, 6 parts of fire retardants, 15 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 12 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Embodiment 6
The preparation method of polycarbonate-carbon-fibre composite, its step is as follows:
(1) it is the coffee grounds of 2:3 by weight ratio, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, the weight ratio of powder mix and potassium hydroxide solution is 3:5, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, the weight ratio of mixing carbon dust and isocyanate coupler is 50:1, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) count by weight, by 87 parts of polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that 0.8 part of oxidation inhibitor, 0.5 part of photostabilizer, 0.6 part of lubricant, 9 parts of fire retardants, 10 parts of steps (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by 9.5 parts of carbon fibers side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
Material obtained to embodiment 1-6 and comparative example is carried out Negative ion disengagement test, wherein, comparative example is publication number is the Chinese patent of CN103958612A, Negative ion disengagement test process is: hung on by material in anion test environment, the air suction inlet of air-anion concentration instrument is positioned over distance material 1cm place, opens air-anion concentration instrument, the negative ion concentration of reading displayed after 30 minutes, negative ion concentration is more big, shows that the Negative ion disengagement of material is more good.
Result is as shown in the table:
As can be seen from the above table, the negative ion concentration of the matrix material that embodiment of the present invention 1-6 is obtained is obviously higher than comparative example, it is shown that Negative ion disengagement preferably.
Above-described embodiment is the principle of illustrative the present invention and effect thereof only, but not for limiting the present invention. Above-described embodiment all under the spirit not running counter to the present invention and category, can be modified or change by any person skilled in the art scholar. Therefore, in art, tool usually intellectual, not departing under disclosed spirit and technological thought all the equivalence modifications completed or change, must be contained by the claim of the present invention such as.
Claims (10)
1. the preparation method of polycarbonate-carbon-fibre composite, it is characterised in that, its step is as follows:
(1) by coffee grounds, pulverize with pulverizer after chestnut shell drying, cross 50 order sieves and obtain powder mix, powder mix is put into the potassium hydroxide solution that massfraction is 16%, soak and obtain mixed solution after 20 hours, filter cake is obtained after mixed solution is taken out filter, tube furnace is moved into after dry 5 hours at filter cake is placed in 100 DEG C, baking oven, lead to into nitrogen with the flow velocity of 150mL/min, it is warming up to 250 DEG C with the speed of 8 DEG C/min, nitrogen is changed to the carbonic acid gas that flow velocity is 25mL/min by constant temperature carbonization after 3 hours, continue to be warming up to 600 DEG C, it is incubated 2 hours, close tube furnace, titanium dioxide is changed to nitrogen, it is cooled to room temperature, pulverize after oven dry, cross 200 order sieves, obtain mixing powdered carbon,
(2) isocyanate coupler is added in deionized water, the coupling agent solution that massfraction is 1% is obtained after being uniformly dispersed, the mixing powdered carbon that step (1) obtains is added in coupling agent solution, at 90 DEG C, water bath with thermostatic control stirs 4 hours, taking-up is placed in baking oven at 110 DEG C and dries 4 hours, obtain modification powdered carbon;
(3) by polycarbonate with at blast drier 95 DEG C dry 3 hours, add in mixing machine together with the modification powdered carbon that oxidation inhibitor, photostabilizer, lubricant, fire retardant, step (2) obtain, after mixing, obtain compound;
(4) by main spout, the compound that step (3) obtains is added twin screw extruder melting to extrude, simultaneously by the carbon fiber side spout adding stage casing with the side drawing-in device of weight-loss metering scale, open vacuum pump, control screw speed is 220r/min, the temperature that barrel is each section is 230-255 DEG C, and head temperature is 245 DEG C, is cooled by the material cold rinse bank extruded, granulation, drying, obtain polycarbonate-carbon-fibre composite.
2. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (1), the weight ratio of coffee grounds, chestnut shell is 2:3.
3. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (1), the weight ratio of powder mix and potassium hydroxide solution is 3:5.
4. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (2), the weight ratio of mixing carbon dust and isocyanate coupler is 50:1.
5. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterized in that: count by weight, polycarbonate 80-88 part, oxidation inhibitor 0.5-1 part, photostabilizer 0.1-0.6 part, lubricant 0.5-1 part, fire retardant 6-9 part, modification powdered carbon 10-15 part, carbon fiber 9-12 part.
6. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (3), polycarbonate is bisphenol A polycarbonate.
7. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (3), oxidation inhibitor is antioxidant 1076.
8. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (3), photostabilizer is photostabilizer 944.
9. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (3), lubricant is pentaerythritol stearate.
10. the preparation method of a kind of polycarbonate-carbon-fibre composite according to claim 1, it is characterised in that: in described step (3), fire retardant is phosphorus flame retardant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223943.XA CN105670262A (en) | 2016-04-12 | 2016-04-12 | Method for preparing polycarbonate-carbon fiber composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610223943.XA CN105670262A (en) | 2016-04-12 | 2016-04-12 | Method for preparing polycarbonate-carbon fiber composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105670262A true CN105670262A (en) | 2016-06-15 |
Family
ID=56310252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610223943.XA Pending CN105670262A (en) | 2016-04-12 | 2016-04-12 | Method for preparing polycarbonate-carbon fiber composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105670262A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126380A (en) * | 2019-05-08 | 2019-08-16 | 广东优美仕新材料科技有限公司 | A kind of carbon fibre composite ceramic wafer that deodorization adsorption capacity is strong |
| CN110283444A (en) * | 2019-07-05 | 2019-09-27 | 咖法科技(上海)有限公司 | A kind of compound polycarbonate of coffee grounds and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785990A (en) * | 2010-02-09 | 2010-07-28 | 乐山师范学院 | Method for preparing activated carbon-silicon dioxide mixed adsorbing material by using silicon tetrachloride |
| CN104479322A (en) * | 2014-11-20 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | High flame retardancy PC composite for refreshing |
| CN104672853A (en) * | 2013-12-02 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Carbon-fiber-filling-reinforced flame-retardant PC (polycarbonate) composite material |
-
2016
- 2016-04-12 CN CN201610223943.XA patent/CN105670262A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101785990A (en) * | 2010-02-09 | 2010-07-28 | 乐山师范学院 | Method for preparing activated carbon-silicon dioxide mixed adsorbing material by using silicon tetrachloride |
| CN104672853A (en) * | 2013-12-02 | 2015-06-03 | 青岛佳亿阳工贸有限公司 | Carbon-fiber-filling-reinforced flame-retardant PC (polycarbonate) composite material |
| CN104479322A (en) * | 2014-11-20 | 2015-04-01 | 苏州新区佳合塑胶有限公司 | High flame retardancy PC composite for refreshing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110126380A (en) * | 2019-05-08 | 2019-08-16 | 广东优美仕新材料科技有限公司 | A kind of carbon fibre composite ceramic wafer that deodorization adsorption capacity is strong |
| CN110283444A (en) * | 2019-07-05 | 2019-09-27 | 咖法科技(上海)有限公司 | A kind of compound polycarbonate of coffee grounds and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101109114A (en) | Negative ion polyamide fibre and manufacturing method therefor | |
| JP2016033209A (en) | Polyamide resin composition and molding | |
| CN105670262A (en) | Method for preparing polycarbonate-carbon fiber composite material | |
| CN105968375B (en) | A kind of reactive extrursion preparation method of polyamide nano master batch | |
| CN103597010A (en) | Stabilised polyamide | |
| CN103819865B (en) | Environment-friendly flame-retardant modified HIPS (high impact polystyrene) liquid crystal television housing and preparation method thereof | |
| JP6528190B2 (en) | Transparent ABS resin composition | |
| CN105778459A (en) | PC/ABS functional regenerated alloy for casing materials and production technology of PC/ABS functional regenerated alloy | |
| CN103980636A (en) | Wood-plastic foamed composite material and preparation method thereof | |
| CN102786690A (en) | Light scattering microsphere containing benzoate polysilsesquioxane, and preparation method and application thereof | |
| CN109651752A (en) | A kind of 3D printing ABS consumptive material and preparation method thereof | |
| CN110204880A (en) | The glass fiber-reinforced polycarbonate composite material and preparation method of the low warpage of high fluidity | |
| CN113089312A (en) | High-strength flame-retardant elastic fabric and preparation method thereof | |
| CN101165097B (en) | Hexamethylene diamine adipate fibre-adding anti-flaming modified material and preparation method thereof | |
| CN107857992A (en) | Daiamid-6 fiber composite that graphene is modified and preparation method thereof | |
| CN110819058B (en) | Core-shell structure nano attapulgite/magnesium hydroxide doped ABS composite material | |
| CN106977896A (en) | A kind of wear-resisting PC ABS alloy materials and preparation method thereof | |
| CN104774403B (en) | Preparation method of fluorescent PVC wire/cable shield material | |
| CN109438933A (en) | Modified enhancing flame-retardant PBT material and preparation method thereof | |
| CN115558288B (en) | Light polyamide material for automobiles and preparation method thereof | |
| CN110330770A (en) | A kind of modified RPET material of recyclable PET and preparation process | |
| CN110483942A (en) | A kind of flame-proof ABS Wood-plastic profiles and preparation method thereof | |
| CN105647008A (en) | Preparation method of abrasion-resistant fold-resistant polypropylene composite sole material | |
| CN113771466A (en) | Flame-retardant TPU composite fabric and preparation method thereof | |
| CN105419308A (en) | Diamond-alkene reinforced and toughened PA6 modified plastic and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
|
| RJ01 | Rejection of invention patent application after publication |