CN107523033B - A kind of PC bucket with good scratch resistance energy - Google Patents
A kind of PC bucket with good scratch resistance energy Download PDFInfo
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- CN107523033B CN107523033B CN201710896113.8A CN201710896113A CN107523033B CN 107523033 B CN107523033 B CN 107523033B CN 201710896113 A CN201710896113 A CN 201710896113A CN 107523033 B CN107523033 B CN 107523033B
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- 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
- C08K9/04—Ingredients treated with organic substances
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- 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
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- 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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2205/24—Crystallisation aids
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- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a kind of PC buckets with good scratch resistance energy, it is related to plastics arts, polycarbonate resin of the modified carbon fiber powder of middle preparation after dry with step (1) is added in high-speed mixer by the mass ratio of 5-8:70-80 and is mixed to uniform, then it is then added to extruding pelletization in double screw extruder, after pellet is dried 5 hours at 100 DEG C again, be added in injection molding machine injection molding to get；The present invention improves the scratch resistant performance of PC by adding the carbon fiber powder after modification, this is because carbon fiber powder is a kind of rigid particles, partial size is generally 5 μm, carbon fiber powder is added in composite material, it can play the role of nucleating agent, while the dispersion performance of carbon fiber powder is good, it is evenly dispersed in the composite, the crystalline state for improving composite material, improves the surface hardness of composite material；To improve the surface scratch resistant performance of material.
Description
Technical field
The invention belongs to plastics arts, and in particular to a kind of PC bucket with good scratch resistance energy.
Background technique
Polycarbonate (PC) is the thermoplastic engineering plastic of excellent combination property.With impact resistance outstanding and ruler
Very little stability, and have higher heat resistance and cold resistance, it is the product uniquely in five large-engineering plastics with the transparency, is known as
Transparent metal.Its product is widely used in the technologies such as electronic apparatus, automobile, machine-building, aerospace, computer and CD neck
Domain has good durability, however, the surface scratch resistant performance of PC material is very poor, very using plastic barrel made of PC
The aesthetic measure of product is reduced in big degree, and also results in stress in the scratch that product surface generates and concentrates, and reduces it
Service life.
Summary of the invention
The purpose of the present invention is being directed to existing problem, a kind of PC bucket with good scratch resistance energy is provided.
The present invention is achieved by the following technical solutions:
A kind of PC bucket with good scratch resistance energy, includes the following steps and is made:
(1) polycarbonate resin is 4-6 hours dry in 100 DEG C of baking ovens；
(2) use dehydrated alcohol that titanate esters are diluted to mass fraction as 40% titanate coupling agent solution；
(3) original carbon fiber powder is placed in dehydrated alcohol and impregnates 30-40min, then taken out, then be placed at 250-300 DEG C
Keep the temperature 15min, prepare mass fraction be 5% neopelex solution, use mass fraction for 10% sodium hydroxide
Its pH to 10.5 is adjusted, alkaline solution is obtained, original carbon fiber powder is added to alkaline solution in the ratio of 150-180g:300mL
In, it is heated to boiling, keeps the temperature 30min, be then filtered, washed using deionized water to neutrality, be then dried to perseverance
Weight, then by titanate coupling agent of original carbon fiber powder and above-mentioned steps (2) middle preparation after drying by the ratio of 50-80g:180mL
Example is mixed, and is then heated to 80-90 DEG C, is kept the temperature 2 hours, is then filtered, and is dried, is obtained modified carbon fiber powder；
(4) polycarbonate resin after will be dry in the modified carbon fiber powder prepared in step (3) and step (1) presses 5-8:
The mass ratio of 70-80, which is added in high-speed mixer, to be mixed to uniform, is then then added to squeeze out in double screw extruder and be made
Grain, then by pellet at 100 DEG C after dry 5 hours, be added in injection molding machine injection molding to get.
Further, polycarbonate resin drying to moisture content is lower than 0.03% in the step (1).
Further, dehydrated alcohol is heated to 40 DEG C in the step (2), then under the stirring of 500r/min revolving speed,
Titanate coupling agent is gradually added, after the completion of addition, continues to stir, keeps the temperature 2 hours, then cooled to room temperature, obtains dilute
Titanate coupling agent solution after releasing.
Further, described
Step (3) Central Plains carbon fiber powder granularity is 800-900 mesh.
Further, mixing velocity is not less than 2500r/min in step (4) the high speed mixing machine.
The present invention has the advantage that carbon fiber powder of the present invention by addition after modification compared with prior art
The scratch resistant performance of PC is improved, this is because carbon fiber powder is a kind of rigid particles, partial size is generally 5 μm, by carbon fiber powder
It is added in composite material, nucleating agent can be played the role of, while the dispersion performance of carbon fiber powder is good, in the composite uniformly
Dispersion, improves the crystalline state of composite material, improves the surface hardness of composite material；The self-lubricating property of carbon fiber powder is good, adds
Enter into composite material, it can migrate to the surface layer of composite material, form the thin layer of a lubricant molecule, this surface lubrication
Effect can reduce surface scratching coefficient of friction, so that the surface scratch resistant performance of material is improved, meanwhile, it is capable to effectively mention
PC made of height barrels of notch impact strength can effectively improve PC barrels of service life.
Specific embodiment
Embodiment 1
A kind of PC bucket with good scratch resistance energy, includes the following steps and is made:
(1) polycarbonate resin is 4 hours dry in 100 DEG C of baking ovens；
(2) use dehydrated alcohol that titanate esters are diluted to mass fraction as 40% titanate coupling agent solution；
(3) original carbon fiber powder is placed in dehydrated alcohol and impregnates 30min, then taken out, then be placed at 250 DEG C and keep the temperature
15min prepares the neopelex solution that mass fraction is 5%, and mass fraction is used to adjust for 10% sodium hydroxide
Its pH to 10.5, obtains alkaline solution, and original carbon fiber powder is added in alkaline solution in the ratio of 150g:300mL, is heated to
Boiling is kept the temperature 30min, is then filtered, is washed using deionized water to neutrality, then drying to constant weight, then will do
The titanate coupling agent prepared in original carbon fiber powder and above-mentioned steps (2) after dry is mixed in the ratio of 50g:180mL, so
After be heated to 80 DEG C, keep the temperature 2 hours, be then filtered, dry, obtain modified carbon fiber powder；
(4) polycarbonate resin after will be dry in the modified carbon fiber powder prepared in step (3) and step (1) presses 5:70
Mass ratio be added in high-speed mixer and mix to uniform, be then then added to extruding pelletization in double screw extruder, then
By pellet at 100 DEG C after dry 5 hours, be added in injection molding machine injection molding to get.
Further, polycarbonate resin drying to moisture content is lower than 0.03% in the step (1).
Further, dehydrated alcohol is heated to 40 DEG C in the step (2), then under the stirring of 500r/min revolving speed,
Titanate coupling agent is gradually added, after the completion of addition, continues to stir, keeps the temperature 2 hours, then cooled to room temperature, obtains dilute
Titanate coupling agent solution after releasing.
Further, described
Step (3) Central Plains carbon fiber powder granularity is 800 mesh.
Further, mixing velocity is not less than 2500r/min in step (4) the high speed mixing machine.
Embodiment 2
A kind of PC bucket with good scratch resistance energy, includes the following steps and is made:
(1) polycarbonate resin is 6 hours dry in 100 DEG C of baking ovens；
(2) use dehydrated alcohol that titanate esters are diluted to mass fraction as 40% titanate coupling agent solution；
(3) original carbon fiber powder is placed in dehydrated alcohol and impregnates 40min, then taken out, then be placed at 300 DEG C and keep the temperature
15min prepares the neopelex solution that mass fraction is 5%, and mass fraction is used to adjust for 10% sodium hydroxide
Its pH to 10.5, obtains alkaline solution, and original carbon fiber powder is added in alkaline solution in the ratio of 180g:300mL, is heated to
Boiling is kept the temperature 30min, is then filtered, is washed using deionized water to neutrality, then drying to constant weight, then will do
The titanate coupling agent prepared in original carbon fiber powder and above-mentioned steps (2) after dry is mixed in the ratio of 80g:180mL, so
After be heated to 80-90 DEG C, keep the temperature 2 hours, be then filtered, dry, obtain modified carbon fiber powder；
(4) polycarbonate resin after will be dry in the modified carbon fiber powder prepared in step (3) and step (1) presses 8:80
Mass ratio be added in high-speed mixer and mix to uniform, be then then added to extruding pelletization in double screw extruder, then
By pellet at 100 DEG C after dry 5 hours, be added in injection molding machine injection molding to get.
Further, polycarbonate resin drying to moisture content is lower than 0.03% in the step (1).
Further, dehydrated alcohol is heated to 40 DEG C in the step (2), then under the stirring of 500r/min revolving speed,
Titanate coupling agent is gradually added, after the completion of addition, continues to stir, keeps the temperature 2 hours, then cooled to room temperature, obtains dilute
Titanate coupling agent solution after releasing.
Further, described
Step (3) Central Plains carbon fiber powder granularity is 900 mesh.
Further, mixing velocity is not less than 2500r/min in step (4) the high speed mixing machine.
Embodiment 3
A kind of PC bucket with good scratch resistance energy, includes the following steps and is made:
(1) polycarbonate resin is 5 hours dry in 100 DEG C of baking ovens；
(2) use dehydrated alcohol that titanate esters are diluted to mass fraction as 40% titanate coupling agent solution；
(3) original carbon fiber powder is placed in dehydrated alcohol and impregnates 35min, then taken out, then be placed at 280 DEG C and keep the temperature
15min prepares the neopelex solution that mass fraction is 5%, and mass fraction is used to adjust for 10% sodium hydroxide
Its pH to 10.5, obtains alkaline solution, and original carbon fiber powder is added in alkaline solution in the ratio of 160g:300mL, is heated to
Boiling is kept the temperature 30min, is then filtered, is washed using deionized water to neutrality, then drying to constant weight, then will do
The titanate coupling agent prepared in original carbon fiber powder and above-mentioned steps (2) after dry is mixed in the ratio of 60g:180mL, so
After be heated to 85 DEG C, keep the temperature 2 hours, be then filtered, dry, obtain modified carbon fiber powder；
(4) polycarbonate resin after will be dry in the modified carbon fiber powder prepared in step (3) and step (1) presses 6:72
Mass ratio be added in high-speed mixer and mix to uniform, be then then added to extruding pelletization in double screw extruder, then
By pellet at 100 DEG C after dry 5 hours, be added in injection molding machine injection molding to get.
Further, polycarbonate resin drying to moisture content is lower than 0.03% in the step (1).
Further, dehydrated alcohol is heated to 40 DEG C in the step (2), then under the stirring of 500r/min revolving speed,
Titanate coupling agent is gradually added, after the completion of addition, continues to stir, keeps the temperature 2 hours, then cooled to room temperature, obtains dilute
Titanate coupling agent solution after releasing.
Further, described
Step (3) Central Plains carbon fiber powder granularity is 850 mesh.
Further, mixing velocity is not less than 2500r/min in step (4) the high speed mixing machine.
Comparative example 1: it is only that with the difference of embodiment 1 and does not add modified carbon fiber powder.
Comparative example 2: it is only that with the difference of embodiment 1 and modified carbon fiber powder is replaced with into common original carbon fiber powder.
Comparative example 3: it is only that replace in modified carbon fiber powder with the difference of embodiment 1 and be impregnated only with titanate coupling agent
Treated carbon fiber powder.
Test:
The PC bucket of same size is prepared by embodiment and comparative example method, carries out pencil hardness test: according to GB/T
6739-1996 standard testings；
Notch impact strength: according to 1843-2008 standard testing of GB/T
Table 1
| Pencil hardness | Notch impact strength kJ/m2 | |
| Embodiment 1 | 3H | 12.56 |
| Embodiment 2 | 3H | 12.04 |
| Embodiment 3 | 3H | 12.26 |
| Comparative example 1 | H | 7.64 |
| Comparative example 2 | 2H | 9.33 |
| Comparative example 3 | 2H | 10.46 |
The PC bucket hardness prepared as can be seen from Table 1 is higher, and adhesion strength is good, and notch impact strength is high.
Claims (4)
1. a kind of PC bucket with good scratch resistance energy, which is characterized in that include the following steps and be made:
(1) polycarbonate resin is 4-6 hours dry in 100 DEG C of baking ovens；
(2) use dehydrated alcohol that titanate esters are diluted to mass fraction as 40% titanate coupling agent solution；
(3) original carbon fiber powder is placed in dehydrated alcohol and impregnates 30-40min, then taken out, then be placed at 250-300 DEG C and keep the temperature
15min prepares the neopelex solution that mass fraction is 5%, and mass fraction is used to adjust for 10% sodium hydroxide
Its pH to 10.5, obtains alkaline solution, and original carbon fiber powder is added in alkaline solution in the ratio of 150-180g:300mL, adds
Heat is kept the temperature 30min, is then filtered, is washed using deionized water to neutrality to boiling, and then drying to constant weight, then
The titanate coupling agent of original carbon fiber powder and the middle preparation of above-mentioned steps (2) after drying is carried out in the ratio of 50-80g:180mL
Mixing is then heated to 80-90 DEG C, keeps the temperature 2 hours, is then filtered, and dries, obtains modified carbon fiber powder；
(4) polycarbonate resin after will be dry in the modified carbon fiber powder prepared in step (3) and step (1) presses 5-8:70-
80 mass ratio, which is added in high-speed mixer, to be mixed to uniform, and extruding pelletization in double screw extruder is then then added to,
Again by pellet at 100 DEG C after dry 5 hours, be added in injection molding machine injection molding to get.
2. a kind of PC bucket with good scratch resistance energy as described in claim 1, which is characterized in that in the step (1)
Polycarbonate resin drying to moisture content is lower than 0.03%.
3. a kind of PC bucket with good scratch resistance energy as described in claim 1, which is characterized in that in the step (2)
Dehydrated alcohol is heated to 40 DEG C, then under the stirring of 500r/min revolving speed, gradually adds titanate coupling agent, addition is completed
Afterwards, continue to stir, keep the temperature 2 hours, then cooled to room temperature, the titanate coupling agent solution after being diluted.
4. a kind of PC bucket with good scratch resistance energy as described in claim 1, which is characterized in that in the step (4)
Mixing velocity is not less than 2500r/min in high-speed mixer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710896113.8A CN107523033B (en) | 2017-09-28 | 2017-09-28 | A kind of PC bucket with good scratch resistance energy |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710896113.8A CN107523033B (en) | 2017-09-28 | 2017-09-28 | A kind of PC bucket with good scratch resistance energy |
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| CN107523033A CN107523033A (en) | 2017-12-29 |
| CN107523033B true CN107523033B (en) | 2019-08-20 |
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| CN109467906B (en) * | 2018-11-27 | 2021-04-27 | 厦门众臣元科技有限公司 | Caster wheel composite material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675849A (en) * | 2011-03-11 | 2012-09-19 | 帝人化成株式会社 | Glass fibre reinforced polycarbonate resin composition with excellent metal mold wearability |
| CN105803584A (en) * | 2016-05-12 | 2016-07-27 | 安徽金叶碳素科技有限公司 | Silane modified black carbon powder and preparation method thereof |
| CN106192407A (en) * | 2016-07-29 | 2016-12-07 | 郑州峰泰纳米材料有限公司 | Carbon fiber surface modification processing method |
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- 2017-09-28 CN CN201710896113.8A patent/CN107523033B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675849A (en) * | 2011-03-11 | 2012-09-19 | 帝人化成株式会社 | Glass fibre reinforced polycarbonate resin composition with excellent metal mold wearability |
| CN105803584A (en) * | 2016-05-12 | 2016-07-27 | 安徽金叶碳素科技有限公司 | Silane modified black carbon powder and preparation method thereof |
| CN106192407A (en) * | 2016-07-29 | 2016-12-07 | 郑州峰泰纳米材料有限公司 | Carbon fiber surface modification processing method |
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Denomination of invention: PC bucket with favorable scratch resistance Effective date of registration: 20200330 Granted publication date: 20190820 Pledgee: Funan SME financing Company limited by guarantee Pledgor: ANHUI YUTAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001167 |
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Date of cancellation: 20210608 Granted publication date: 20190820 Pledgee: Funan SME financing Company limited by guarantee Pledgor: ANHUI YUTAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2020980001167 |
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Denomination of invention: A PC barrel with good scratch resistance Effective date of registration: 20210701 Granted publication date: 20190820 Pledgee: Funan SME financing Company limited by guarantee Pledgor: ANHUI YUTAI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Registration number: Y2021340000012 |