CN108794948A - A kind of polymer ceramic composite material mobile phone shell and preparation method thereof - Google Patents
A kind of polymer ceramic composite material mobile phone shell and preparation method thereof Download PDFInfo
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- CN108794948A CN108794948A CN201810726685.6A CN201810726685A CN108794948A CN 108794948 A CN108794948 A CN 108794948A CN 201810726685 A CN201810726685 A CN 201810726685A CN 108794948 A CN108794948 A CN 108794948A
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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
- C08L27/12—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 fluorine atoms
- C08L27/18—Homopolymers or copolymers or tetrafluoroethene
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3009—Sulfides
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention belongs to technical field of composite materials, and in particular to a kind of polymer ceramic composite material mobile phone shell and preparation method thereof.TiB will be added after microwax, paraffin, ptfe micropowder, dispersant ball milling in the present invention2Powder and SiC micro mists continue ball milling, and mixed material further carries out mixing processing, enters mold after finally heated fusion plastification, prepare polymer ceramic composite material mobile phone shell after being mediated.Polymer ceramic composite material mobile phone shell wearability prepared by the present invention is good, and lighter weight, high temperature resistant, corrosion resistance are strong.
Description
Technical field
The invention belongs to technical field of composite materials, and in particular to a kind of polymer ceramic composite material mobile phone shell and its system
Preparation Method.
Background technology
Existing handset shell, Wristwatch case and watch chain, ornaments etc. mostly use greatly plastics, metal or glass material and are made,
Parts made of plastic material are very easy to abrasion, scratch；Parts made of metal material are very easy to paint or get rusty,
The allergic reaction of user's discomfort can be also caused when use；And parts made of glass material are easy to scratch and be crushed so that
It often wears no resistance, be easy to scratch, and drop resistant poor performance, be easy to break into pieces.Therefore, some handset shells, Wristwatch case and watch chain,
Jewellery etc. need the common daily necessities of decoration functions to select to use ceramic material or high molecular material.It is made of ceramic material
Articles for use advantage be high temperature resistant, resistant to chemical etching, hardness is high, compression strength is high, but the disadvantage is that tensile strength is low, plasticity and toughness
Difference, mechanical strength is insufficient, wears no resistance, and drop resistant poor performance is also easy to break into pieces；It is using articles for use advantage made of high molecular material
It is plasticity and good toughness, light-weight, but the disadvantage is that inflammable, oxidizable, yielding low with hardness, protection effect is poor, and pole is used for a long time
It easily causes appearance surfaces gloss and loses shape.
Due to TiB2、Al2O3Equal ceramic materials have high-melting-point, high elastic modulus, high rigidity and high chemical stability etc. excellent
Good physical and chemical performance shows wide application prospect in structural material field.But the room temperature that ceramic material is intrinsic
The feature of brittleness and agglutinating property difference so that the difficulty of high-densit single-phase block body ceramic material is prepared very using traditional sintering process
Greatly, this greatly limits block body ceramic materials as structural material applications in various fields.
Invention content
The object of the present invention is to provide a kind of macromolecule composite ceramic material mobile phone shells and preparation method thereof.By microwax,
TiB is added after paraffin, ptfe micropowder, dispersant ball milling2Powder and SiC micro mists continue ball milling, mixed material into
Row further carries out mixing processing after mediating, enter mold after finally heated fusion plastification, prepare polymer ceramic composite material
Mobile phone shell.
The technical scheme is that：
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) microwax, paraffin, ptfe micropowder and mix lubricant are placed on ball mill and carry out ball milling；
(2) TiB is added2Continue ball milling after powder and SiC micro mists, obtains mixed material；
(3) mixed material is placed in kneader after mediating and further carries out mixing processing, then by the material after mixing
It is broken into particulate material；
(4) injection molding after fusion plastification is added in injection molding machine in particulate material and enters mold, demoulded after pressurize cooling and obtain mobile phone
Shell.
Preferably, the addition of above-mentioned each component is：1~2 parts by weight of microwax, 8~15 parts by weight of paraffin, polytetrafluoroethyl-ne
12~18 parts by weight of alkene micro mist, 2~5 parts by weight of lubricant, TiB225~45 parts by weight of powder, 35~50 parts by weight of SiC micro mists.
Preferably, above-mentioned lubricant is by molybdenum disulfide and graphite by weight 1:1 proportioning mixes composite lubricated
Agent.
Preferably, ball milling refers to high-energy ball milling in step (1), and using stainless steel tank body and abrading-ball, ratio of grinding media to material is 8~10:
1, rotating speed is 200~250r/min, and is filled with argon gas in ball grinder and protects powder not oxidized.
Preferably, ball milling refers to high-energy ball milling in step (2), and using stainless steel tank body and abrading-ball, ratio of grinding media to material is 3~5:1,
Rotating speed is 150~180r/min, and is filled with argon gas in ball grinder and protects powder not oxidized.
Preferably, kneading temperature is 150~180 DEG C in step (3), and kneading time is 2~3 hours.
Preferably, the temperature that mixing is handled in step (3) is 265~280 DEG C, and the time is 0.5~1 hour.
Preferably, the grain diameter obtained after break process described in step (3) is micron order.
Preferably, the condition control of the injection molding is 175~195 DEG C of one area of barrel, two 220~245 DEG C of areas, three areas 250
~265 DEG C, four 280~290 DEG C of areas, five 300~305 DEG C of areas, 300~305 DEG C of nozzle temperature, injection pressure be 80~
100MPa, 55~65 DEG C of mold temperature, 2~3min of dwell time.
The polymer ceramic composite material mobile phone shell that the above method is prepared.
Beneficial effects of the present invention are as follows：
Polymer ceramic composite material mobile phone shell wearability prepared by the present invention is good, lighter weight, high temperature resistant, corrosion resistance
By force.
Specific implementation mode
With reference to embodiment, technical scheme of the present invention is described in further detail, but do not constituted pair
Any restrictions of the present invention.
Embodiment 1
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1 parts by weight microwax, 12 parts by weight paraffin, 15 parts by weight ptfe micropowders and 3 parts by weight curing are taken
Molybdenum and graphite are by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, use
Stainless steel tank body and abrading-ball, ratio of grinding media to material 10:1, rotating speed 220r/min, and be filled in ball grinder argon gas protect powder not by
Oxidation；
(2) 42 parts by weight TiB are added2Continue high-energy ball milling after powder and 48 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 4:1, rotating speed 165r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 2.5 hours at a temperature of 160 DEG C, then further in 270 DEG C of temperature
Degree is lower to carry out mixing processing 50min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 185 DEG C of one area of barrel, two
235 DEG C of area, three 265 DEG C of areas, four 290 DEG C of areas, five 302 DEG C of areas, 305 DEG C, injection pressure 90MPa of nozzle temperature, rear note injection molding
Into mold, mold temperature is 60 DEG C, demoulding acquisition mobile phone shell after 2 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
Embodiment 2
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1.2 parts by weight microwaxes, two sulphur of 13 parts by weight paraffin, 16 parts by weight ptfe micropowders and 3 parts by weight are taken
Change molybdenum and graphite by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, adopt
With stainless steel tank body and abrading-ball, ratio of grinding media to material 9:1, rotating speed 200r/min, and be filled with argon gas in ball grinder and protect powder not
It is aoxidized；
(2) 32 parts by weight TiB are added2Continue high-energy ball milling after powder and 50 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 5:1, rotating speed 160r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 3 hours at a temperature of 168 DEG C, then further in 275 DEG C of temperature
Lower progress mixing handles 45min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 195 DEG C of one area of barrel, two
245 DEG C of area, three 265 DEG C of areas, four 285 DEG C of areas, five 300 DEG C of areas, 305 DEG C, injection pressure 95MPa of nozzle temperature, be molded afterwards into
Enter mold, mold temperature is 65 DEG C, demoulding acquisition mobile phone shell after 3 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
Embodiment 3
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1 parts by weight microwax, 15 parts by weight paraffin, 18 parts by weight ptfe micropowders and 3 parts by weight curing are taken
Molybdenum and graphite are by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, use
Stainless steel tank body and abrading-ball, ratio of grinding media to material 8:1, rotating speed 240r/min, and be filled in ball grinder argon gas protect powder not by
Oxidation；
(2) 45 parts by weight TiB are added2Continue high-energy ball milling after powder and 48 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 3:1, rotating speed 180r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 2 hours at a temperature of 165 DEG C, then further in 270 DEG C of temperature
Lower progress mixing handles 40min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 185 DEG C of one area of barrel, two
240 DEG C of area, three 265 DEG C of areas, four 290 DEG C of areas, five 300 DEG C of areas, 305 DEG C, injection pressure 90MPa of nozzle temperature, be molded afterwards into
Enter mold, mold temperature is 60 DEG C, demoulding acquisition mobile phone shell after 3 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
Embodiment 4
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1.5 parts by weight microwaxes, two sulphur of 12 parts by weight paraffin, 16 parts by weight ptfe micropowders and 3 parts by weight are taken
Change molybdenum and graphite by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, adopt
With stainless steel tank body and abrading-ball, ratio of grinding media to material 9:1, rotating speed 220r/min, and be filled with argon gas in ball grinder and protect powder not
It is aoxidized；
(2) 29 parts by weight TiB are added2Continue high-energy ball milling after powder and 48 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 4:1, rotating speed 180r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 2.5 hours at a temperature of 170 DEG C, then further in 270 DEG C of temperature
Degree is lower to carry out mixing processing 50min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 185 DEG C of one area of barrel, two
235 DEG C of area, three 265 DEG C of areas, four 290 DEG C of areas, five 304 DEG C of areas, 305 DEG C, injection pressure 100MPa of nozzle temperature, be molded afterwards into
Enter mold, mold temperature is 65 DEG C, demoulding acquisition mobile phone shell after 2 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
Embodiment 5
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1 parts by weight microwax, 11 parts by weight paraffin, 18 parts by weight ptfe micropowders and 3 parts by weight curing are taken
Molybdenum and graphite are by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, use
Stainless steel tank body and abrading-ball, ratio of grinding media to material 8:1, rotating speed 230r/min, and be filled in ball grinder argon gas protect powder not by
Oxidation；
(2) 40 parts by weight TiB are added2Continue high-energy ball milling after powder and 48 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 4:1, rotating speed 155r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 2.5 hours at a temperature of 180 DEG C, then further in 270 DEG C of temperature
Degree is lower to carry out mixing processing 50min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 180 DEG C of one area of barrel, two
235 DEG C of area, three 265 DEG C of areas, four 280 DEG C of areas, five 302 DEG C of areas, 305 DEG C, injection pressure 90MPa of nozzle temperature, be molded afterwards into
Enter mold, mold temperature is 65 DEG C, demoulding acquisition mobile phone shell after 2 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
Embodiment 6
A kind of preparation method of polymer ceramic composite material mobile phone shell, includes the following steps：
(1) 1 parts by weight microwax, 12 parts by weight paraffin, 15 parts by weight ptfe micropowders and 5 parts by weight curing are taken
Molybdenum and graphite are by weight 1:The compounded lubricant that 1 proportioning mixes, mixing are placed on ball mill and carry out high-energy ball milling, use
Stainless steel tank body and abrading-ball, ratio of grinding media to material 10:1, rotating speed 250r/min, and be filled in ball grinder argon gas protect powder not by
Oxidation；
(2) 41 parts by weight TiB are added2Continue high-energy ball milling after powder and 39 parts by weight SiC micro mists, using stainless steel
Tank body and abrading-ball, ratio of grinding media to material 5:1, rotating speed 165r/min, and be filled with argon gas in ball grinder and protect powder is not oxidized to obtain
To mixed material；
(3) mixed material is placed in kneader and is mediated 2.5 hours at a temperature of 160 DEG C, then further in 270 DEG C of temperature
Degree is lower to carry out mixing processing 60min, and it is micron-sized particulate material that the material after mixing, which is then broken into grain size,；
(4) particulate material being added fusion plastification in injection molding machine, the temperature setting of Shooting Technique is 185 DEG C of one area of barrel, two
235 DEG C of area, three 265 DEG C of areas, four 280 DEG C of areas, five 302 DEG C of areas, 302 DEG C, injection pressure 90MPa of nozzle temperature, be molded afterwards into
Enter mold, mold temperature is 60 DEG C, demoulding acquisition mobile phone shell after 2 minutes postcoolings of pressurize.
The polymer ceramic composite material mobile phone shell wearability that the present embodiment is prepared is good, lighter weight, high temperature resistant, resistance to
Corrosivity is strong.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, it is other it is any without departing from the spirit and principles of the present invention made by changes, modifications, substitutions, combinations, simplifications,
Equivalent substitute mode is should be, is included within the scope of the present invention.
Claims (10)
1. a kind of preparation method of polymer ceramic composite material mobile phone shell, which is characterized in that include the following steps：
(1) microwax, paraffin, ptfe micropowder and mix lubricant are placed on ball mill and carry out ball milling；
(2) TiB is added2Continue ball milling after powder and SiC micro mists, obtains mixed material；
(3) mixed material is placed in kneader after mediating and further carries out mixing processing, be then crushed the material after mixing
At particulate material；
(4) injection molding after fusion plastification is added in injection molding machine in particulate material and enters mold, demoulded after pressurize cooling and obtain mobile phone shell.
2. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that institute
The addition for stating each component is：1~2 parts by weight of microwax, 8~15 parts by weight of paraffin, 12~18 weight of ptfe micropowder
Part, 2~5 parts by weight of lubricant, TiB225~45 parts by weight of powder, 35~50 parts by weight of SiC micro mists.
3. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that institute
It is by molybdenum disulfide and graphite by weight 1 to state lubricant:The compounded lubricant that 1 proportioning mixes.
4. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that step
Suddenly ball milling refers to high-energy ball milling in (1), and using stainless steel tank body and abrading-ball, ratio of grinding media to material is 8~10:1, rotating speed is 200~250r/
Min, and be filled with argon gas in ball grinder and protect powder not oxidized.
5. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that step
Suddenly ball milling refers to high-energy ball milling in (2), and using stainless steel tank body and abrading-ball, ratio of grinding media to material is 3~5:1, rotating speed is 150~180r/
Min, and be filled with argon gas in ball grinder and protect powder not oxidized.
6. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that step
Suddenly kneading temperature is 150~180 DEG C in (3), and kneading time is 2~3 hours.
7. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that step
Suddenly the temperature that mixing is handled in (3) is 265~280 DEG C, and the time is 0.5~1 hour.
8. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that step
Suddenly the grain diameter obtained after break process described in (3) is micron order.
9. a kind of preparation method of polymer ceramic composite material mobile phone shell according to claim 1, which is characterized in that institute
The condition control for stating injection molding is 175~195 DEG C of one area of barrel, two 220~245 DEG C of areas, three 250~265 DEG C of areas, four areas 280~
290 DEG C, five 300~305 DEG C of areas, 300~305 DEG C of nozzle temperature, injection pressure is 80~100MPa, mold temperature 55~65
DEG C, 2~3min of dwell time.
10. the polymer ceramic composite material mobile phone shell that any method described in claim 1 to 9 is prepared.
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Citations (2)
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| CN104193219A (en) * | 2014-05-20 | 2014-12-10 | 湖北国瓷科技有限公司 | A ceramic polymer composite material and a preparing method thereof |
| US20140377160A1 (en) * | 2013-05-31 | 2014-12-25 | University Of Notre Dame Du Lac | Combustion synthesis of graphene and carbonous nanomaterials |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140377160A1 (en) * | 2013-05-31 | 2014-12-25 | University Of Notre Dame Du Lac | Combustion synthesis of graphene and carbonous nanomaterials |
| CN104193219A (en) * | 2014-05-20 | 2014-12-10 | 湖北国瓷科技有限公司 | A ceramic polymer composite material and a preparing method thereof |
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| Title |
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| 杨桂生: "《工程塑料》", 31 December 2017, 中国铁道出版社 * |
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