CN106883570A - A kind of heat sink material with high tensile, preparation method and applications - Google Patents
A kind of heat sink material with high tensile, preparation method and applications Download PDFInfo
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Abstract
The invention discloses a kind of heat sink material with high tensile, preparation method and applications, the heat sink material with high tensile includes following raw material：The steps such as Graphene, tributoxyethyl phosphate, makrolon, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate, Kafra fiber, polybutylene terephthalate (PBT) fiber, surfactant, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalyst, plasticizer, dispersant, tackifier, curing agent, antioxidant, stabilizer, antiager, fire retardant, the heat sink material with high tensile is by crushing, activation, mixing, extruding are made.The thermal diffusivity and tensile strength of the obtained heat sink material with high tensile of the invention are substantially better than the composite of prior art；Meanwhile, composite of the invention can be applied in 3D printing notebook computer casing.
Description
【Technical field】
The invention belongs to 3D printing technical field of material, and in particular to a kind of radiating material with high tensile
Material, preparation method and applications.
【Background technology】
3D printing is also called rapid shaping technique, also referred to as increases material manufacturing technology, is that one kind does not need conventional tool, fixture
And lathe, but based on mathematical model file, successively printed using the material with adhesion such as metal dust or plastics
To manufacture the technology of arbitrary shape article.The article that 3D printer can be manufactured is a lot, such as aircraft, pistol, for another example food, human body
Organ, toy for children etc..3D printing technique is an important breakthrough of world's manufacturing technology field over the past two decades.It is mechanic
The multidisciplinary technology such as journey, computer technology, Numeric Control Technology, material science it is integrated.It is to beat that 3D printing is most difficult to most crucial technology
Print the exploitation of material.Therefore developing more various multi-functional 3D printing material turns into focus of the future studies with application and pass
Key.
The Geim and Novoselov of Man Chesidun universities of Britain in 2004 peel off high starch breeding and obtain solely by adhesive tape
Since vertical two-dimensional graphene (Gra-phene, GN) crystal for existing, it is extremely concerned that Graphene has become material science
One of study hotspot.The graphite of Graphene, actually monoatomic layer, it possesses the two-dimensional structure and excellent power of uniqueness
, thermodynamics, optically and electrically performance.
Graphene be at present it is most thin in the world be but also most hard nano material, it is almost fully transparent, to inhale
2.3% light is received, thermal conductivity factor is up to 5300W/mk, higher than CNT and diamond.Graphene is one kind by carbon atom
The new material of the individual layer laminated structure of composition, high with intensity, specific surface area is big, chemical reactivity high, the spy of fillibility high
Point.
With the fast development of notebook computer industry, notebook computer casing also towards intensity it is high, rigidity is big, direction
Development.Most plastic casing notebook computers is all to do raw material using PC/ABS engineering plastic alloys in the market.This
The material both excellent heat-resisting weatherability with PC resin, dimensional stability and impact resistance are planted, but it is excellent with ABS resin
Processing fluidity.But, there is a problem that the heat dispersion of notebook computer casing is poor.
【The content of the invention】
The present invention provides a kind of heat sink material with high tensile, preparation method and applications, to solve existing pen
Remember the poor problem of the heat dispersion of this computer casing.The thermal diffusivity of the obtained heat sink material with high tensile of the invention
With the composite that tensile strength is substantially better than prior art；Meanwhile, composite of the invention can be applied to 3D printing notes
In this computer casing.
To solve above technical problem, the present invention uses following technical scheme：
A kind of heat sink material with high tensile, in units of weight portion, including following raw material：Graphene 1.9-
4.2 parts, tributoxyethyl phosphate 82-126 parts, makrolon 23-37 parts, PLA 51-74 parts, sodium tetrapolyphosphate 21-30
Part, 12-15 parts of chloropropyl styrene, maleic anhydride inoculated polypropylene 11-14 parts, sodium cellulose glycolate 8-12 parts, Kev drawing
Fiber 4-6 parts, 3-5 parts of polybutylene terephthalate (PBT) fiber, surfactant 1-1.6 parts, conditioning agent 0.4-0.8 parts, hair
Raw 0.3-0.5 parts of agent, crosslinking agent 0.4-0.8 parts, compatilizer 0.7-1.3 parts, bridging agent 0.5-1 parts, catalyst 0.3-0.5 parts,
Plasticizer 0.5-0.8 parts, dispersant 0.3-0.5 parts, tackifier 0.4-0.7 parts, curing agent 1-2.3 parts, antioxidant 0.3-0.5
Part, stabilizer 0.2-0.4 parts, antiager 1.2-1.8 parts, fire retardant 1.8-2.4 parts；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：Ethylene glycol ether acetate 60-68 parts, the sad last of the ten Heavenly stems
Acid glycerol three ester 25-28 parts, 22-24 parts of NPE ammonium sulfate, 18-22 parts of PPOX triol, urea 14-
16 parts, aluminum oxide 10-12 parts, antimony oxide 9-11 parts, lead oxide 7-10 parts, bentonite 8-12 parts, bleeding agent 1-2 parts.
The present invention also provides a kind of preparation method of the heat sink material with high tensile, comprises the following steps：
S1：200-300 mesh sieve is crossed after tributoxyethyl phosphate and makrolon are crushed, compound tree cosmetics is obtained
End；
S2：It it is 68-72 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is
1-1.3h is activated under 150-180r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 200-300 mesh sieve is crossed, powder is obtained, gained powder is 7000- in magnetic field intensity
8200GS, ultrasonic power is 520-650W, and temperature is 52-56 DEG C, under rotating speed is 200-300r/min, stirs 40-50min,
Graphene energy powder is obtained；
S4：Under nitrogen protection, to graphite obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Alkene energy powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate,
Kafra fiber, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalysis
Agent, plasticizer, dispersant, tackifier, are 320-360W in microwave power, and temperature is 140-145 DEG C, and rotating speed is 200-400r/
2.8-4h is stirred under min, mixture I is obtained；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, in temperature
It is 76-80 DEG C to spend, and rotating speed is obtained mixture II to stir 1.6-2h under 150-250r/min；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 190-200 DEG C, rotating speed in temperature
Under for 125-140r/min, through extruding strand, the heat sink material with high tensile is obtained.
The described heat sink material with high tensile is applied in 3D printing notebook computer casing.
The invention has the advantages that：
The thermal diffusivity and tensile strength of the obtained heat sink material with high tensile of the invention are substantially better than existing skill
The composite of art.Meanwhile, composite of the invention can be applied in 3D printing notebook computer casing, and prior art
Composite may not apply in 3D printing notebook computer casing.
【Specific embodiment】
For ease of more fully understanding the present invention, it is illustrated by following examples, these embodiments belong to of the invention
Protection domain, but do not limit the scope of the invention.
In embodiment, the heat sink material with high tensile, in units of weight portion, including following raw material：
Graphene 1.9-4.2 parts, tributoxyethyl phosphate 82-126 parts, makrolon 23-37 parts, PLA 51-74 parts, four poly- phosphorus
Sour sodium 21-30 parts, 12-15 parts of chloropropyl styrene, maleic anhydride inoculated polypropylene 11-14 parts, sodium cellulose glycolate 8-12
Part, Kafra fiber 4-6 parts, 3-5 parts of polybutylene terephthalate (PBT) fiber, surfactant 1-1.6 parts, conditioning agent 0.4-
0.8 part, propellant 0.3-0.5 parts, crosslinking agent 0.4-0.8 parts, compatilizer 0.7-1.3 parts, bridging agent 0.5-1 parts, catalyst
0.3-0.5 parts, plasticizer 0.5-0.8 parts, dispersant 0.3-0.5 parts, tackifier 0.4-0.7 parts, curing agent 1-2.3 parts, antioxygen
Agent 0.3-0.5 parts, stabilizer 0.2-0.4 parts, antiager 1.2-1.8 parts, fire retardant 1.8-2.4 parts；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：Ethylene glycol ether acetate 60-68 parts, the sad last of the ten Heavenly stems
Acid glycerol three ester 25-28 parts, 22-24 parts of NPE ammonium sulfate, 18-22 parts of PPOX triol, urea 14-
16 parts, aluminum oxide 10-12 parts, antimony oxide 9-11 parts, lead oxide 7-10 parts, bentonite 8-12 parts, bleeding agent 1-2 parts；
The preparation method of the described heat sink material with high tensile, comprises the following steps：
S1：200-300 mesh sieve is crossed after tributoxyethyl phosphate and makrolon are crushed, compound tree cosmetics is obtained
End；
S2：It it is 68-72 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is
1-1.3h is activated under 150-180r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 200-300 mesh sieve is crossed, powder is obtained, gained powder is 7000- in magnetic field intensity
8200GS, ultrasonic power is 520-650W, and temperature is 52-56 DEG C, under rotating speed is 200-300r/min, stirs 40-50min,
Graphene energy powder is obtained；
S4：Under nitrogen protection, to graphite obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Alkene energy powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate,
Kafra fiber, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalysis
Agent, plasticizer, dispersant, tackifier, are 320-360W in microwave power, and temperature is 140-145 DEG C, and rotating speed is 200-400r/
2.8-4h is stirred under min, mixture I is obtained；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, in temperature
It is 76-80 DEG C to spend, and rotating speed is obtained mixture II to stir 1.6-2h under 150-250r/min；
The preparation method of the fire retardant, comprises the following steps：
A () adds NPE ammonium sulfate, water 320-400 parts in microwave reactor, be in speed of agitator
8-12min is stirred under 300-500r/min, mixture A is obtained；
B () is to addition ethylene glycol ether acetate, Miglyol 812N, polyoxygenated in mixture A obtained in step a
Propylene triol, urea, aluminum oxide, antimony oxide, lead oxide, bentonite, bleeding agent, are 200-400r/ in speed of agitator
Min, microwave power is 350-400W, and temperature is obtained mixture B to stir 1.3-1.8h at 92-96 DEG C, and the bleeding agent is to ooze
Saturating agent JFC；
C () filters sediment by after mixture B is cooled to room temperature obtained in step b, be 4000-5000r/ in rotating speed
Centrifugal drying is obtained fire retardant to water content≤1% under min；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 190-200 DEG C, rotating speed in temperature
Under for 125-140r/min, through extruding strand, the heat sink material with high tensile is obtained, it is described with high tensile
Heat sink material is applied in 3D printing notebook computer casing.
Below by more specific embodiment, the present invention will be described.
Embodiment 1
A kind of heat sink material with high tensile, in units of weight portion, including following raw material：3 parts of Graphene, phosphorus
Sour 106 parts of three butoxyethyl, 30 parts of makrolon, 65 parts of PLA, 52 parts of sodium tetrapolyphosphate, 15 parts of chloropropyl styrene,
12 parts of maleic anhydride inoculated polypropylene, 10 parts of sodium cellulose glycolate, 5 parts of Kafra fiber, polybutylene terephthalate (PBT)
4 parts of fiber, 1.3 parts of surfactant, 0.6 part of conditioning agent, 0.4 part of propellant, 0.6 part of crosslinking agent, 1 part of compatilizer, bridging agent
0.7 part, 0.4 part of catalyst, 0.7 part of plasticizer, 0.4 part of dispersant, 0.6 part of tackifier, 1.6 parts of curing agent, antioxidant 0.4
Part, 0.3 part of stabilizer, 1.5 parts of antiager, 2 parts of fire retardant；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：65 parts of ethylene glycol ether acetate, caprylic capric are sweet
Oily 27 parts of three ester, 23 parts of NPE ammonium sulfate, 20 parts of PPOX triol, 15 parts of urea, 11 parts of aluminum oxide,
10 parts of antimony oxide, 9 parts of lead oxide, 10 parts of bentonite, 1.5 parts of bleeding agent；
The preparation method of the described heat sink material with high tensile, comprises the following steps：
S1：2000 mesh sieve are crossed after tributoxyethyl phosphate and makrolon are crushed, hybrid resin powder is obtained；
S2：It it is 70 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is
1.2h is activated under 170r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 200 mesh sieve are crossed, powder is obtained, gained powder is 7500GS, ultrasound in magnetic field intensity
Wave power is 600W, and temperature is 55 DEG C, and rotating speed is obtained Graphene energy powder under 200r/min, to stir 45min；
S4：Under nitrogen protection, to graphite obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Alkene energy powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate,
Kafra fiber, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalysis
Agent, plasticizer, dispersant, tackifier, are 320W in microwave power, and temperature is 140 DEG C, and rotating speed is stirring under 300r/min
3.5h, is obtained mixture I；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, in temperature
It is 78 DEG C to spend, and rotating speed is obtained mixture II to stir 1.8h under 200r/min；
The preparation method of the fire retardant, comprises the following steps：
A () adds NPE ammonium sulfate, 360 parts of water in microwave reactor, be 400r/ in speed of agitator
10min is stirred under min, mixture A is obtained；
B () is to addition ethylene glycol ether acetate, Miglyol 812N, polyoxygenated in mixture A obtained in step a
Propylene triol, urea, aluminum oxide, antimony oxide, lead oxide, bentonite, bleeding agent, are 300r/min in speed of agitator, micro-
Wave power is 380W, and temperature is obtained mixture B to stir 1.5h at 95 DEG C, and the bleeding agent is penetrating agent JFC；
C () filters sediment by after mixture B is cooled to room temperature obtained in step b, in the case where rotating speed is 4500r/min
Centrifugal drying to water content is 1%, and fire retardant is obtained；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 195 DEG C in temperature, rotating speed is
Under 1350r/min, through extruding strand, the heat sink material with high tensile, the radiating with high tensile is obtained
Materials application is in 3D printing notebook computer casing.
Embodiment 2
A kind of heat sink material with high tensile, in units of weight portion, including following raw material：2 parts of Graphene, phosphorus
Sour 82 parts of three butoxyethyl, 23 parts of makrolon, 51 parts of PLA, 21 parts of sodium tetrapolyphosphate, 12 parts of chloropropyl styrene, horse
11 parts of maleic anhydride grafted polypropylene, 8 parts of sodium cellulose glycolate, 4 parts of Kafra fiber, polybutylene terephthalate (PBT) fiber
3 parts, 1 part of surfactant, 0.4 part of conditioning agent, 0.3 part of propellant, 0.4 part of crosslinking agent, 0.7 part of compatilizer, bridging agent 0.5
Part, 0.3 part of catalyst, 0.5 part of plasticizer, 0.3 part of dispersant, 0.4 part of tackifier, 1 part of curing agent, 0.3 part of antioxidant, stabilization
0.2 part of agent, 1.2 parts of antiager, 1.8 parts of fire retardant；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：60 parts of ethylene glycol ether acetate, caprylic capric are sweet
Oily 25 parts of three ester, 22 parts of NPE ammonium sulfate, 18 parts of PPOX triol, 14 parts of urea, 10 parts of aluminum oxide,
9 parts of antimony oxide, 7 parts of lead oxide, 8 parts of bentonite, 1 part of bleeding agent；
The preparation method of the described heat sink material with high tensile, comprises the following steps：
S1：200 mesh sieve are crossed after tributoxyethyl phosphate and makrolon are crushed, hybrid resin powder is obtained；
S2：It it is 68 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is
1.3h is activated under 150r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 200 mesh sieve are crossed, powder is obtained, gained powder is 7000GS, ultrasound in magnetic field intensity
Wave power is 520W, and temperature is 52 DEG C, and rotating speed is obtained Graphene energy powder under 200r/min, to stir 40min；
S4：Under nitrogen protection, to graphite obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Alkene energy powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate,
Kafra fiber, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalysis
Agent, plasticizer, dispersant, tackifier, microwave power be 320W, temperature be 140 DEG C, rotating speed be 200r/min under stir 4h,
Mixture I is obtained；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, in temperature
It is 76 DEG C to spend, and rotating speed is obtained mixture II to stir 2h under 150r/min；
The preparation method of the fire retardant, comprises the following steps：
A () adds NPE ammonium sulfate, 320 parts of water in microwave reactor, be 300r/ in speed of agitator
12min is stirred under min, mixture A is obtained；
B () is to addition ethylene glycol ether acetate, Miglyol 812N, polyoxygenated in mixture A obtained in step a
Propylene triol, urea, aluminum oxide, antimony oxide, lead oxide, bentonite, bleeding agent, are 200r/min in speed of agitator, micro-
Wave power is 350W, and temperature is obtained mixture B to stir 1.8h at 92 DEG C, and the bleeding agent is penetrating agent JFC；
C () filters sediment by after mixture B is cooled to room temperature obtained in step b, in the case where rotating speed is 4000r/min
Centrifugal drying to water content is 0.8%, and fire retardant is obtained；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 190 DEG C in temperature, rotating speed is
Under 125r/min, through extruding strand, the heat sink material with high tensile, the radiating material with high tensile is obtained
Material is applied in 3D printing notebook computer casing.
Embodiment 3
A kind of heat sink material with high tensile, in units of weight portion, including following raw material：4 parts of Graphene, phosphorus
Sour 125 parts of three butoxyethyl, 36 parts of makrolon, 74 parts of PLA, 30 parts of sodium tetrapolyphosphate, 15 parts of chloropropyl styrene,
14 parts of maleic anhydride inoculated polypropylene, 12 parts of sodium cellulose glycolate, 6 parts of Kafra fiber, polybutylene terephthalate (PBT)
5 parts of fiber, 1.6 parts of surfactant, 0.8 part of conditioning agent, 0.5 part of propellant, 0.8 part of crosslinking agent, 1.3 parts of compatilizer, bridge formation
1 part of agent, 0.5 part of catalyst, 0.8 part of plasticizer, 0.5 part of dispersant, 0.7 part of tackifier, 2.3 parts of curing agent, antioxidant 0.5
Part, 0.4 part of stabilizer, 1.8 parts of antiager, 2.4 parts of fire retardant；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：68 parts of ethylene glycol ether acetate, caprylic capric are sweet
Oily 28 parts of three ester, 24 parts of NPE ammonium sulfate, 22 parts of PPOX triol, 16 parts of urea, 12 parts of aluminum oxide,
11 parts of antimony oxide, 10 parts of lead oxide, 12 parts of bentonite, 2 parts of bleeding agent；
The preparation method of the described heat sink material with high tensile, comprises the following steps：
S1：300 mesh sieve are crossed after tributoxyethyl phosphate and makrolon are crushed, hybrid resin powder is obtained；
S2：It it is 72 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is
1.3h is activated under 180r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 300 mesh sieve are crossed, powder is obtained, gained powder is 8200GS, ultrasound in magnetic field intensity
Wave power is 650W, and temperature is 56 DEG C, and rotating speed is obtained Graphene energy powder under 300r/min, to stir 40min；
S4：Under nitrogen protection, to graphite obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Alkene energy powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate,
Kafra fiber, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalysis
Agent, plasticizer, dispersant, tackifier, are 360W in microwave power, and temperature is 145 DEG C, and rotating speed is stirring under 400r/min
2.8h, is obtained mixture I；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, in temperature
It is 80 DEG C to spend, and rotating speed is obtained mixture II to stir 1.6h under 250r/min；
The preparation method of the fire retardant, comprises the following steps：
A () adds NPE ammonium sulfate, 400 parts of water in microwave reactor, be 500r/ in speed of agitator
8min is stirred under min, mixture A is obtained；
B () is to addition ethylene glycol ether acetate, Miglyol 812N, polyoxygenated in mixture A obtained in step a
Propylene triol, urea, aluminum oxide, antimony oxide, lead oxide, bentonite, bleeding agent, are 400r/min in speed of agitator, micro-
Wave power is 400W, and temperature is obtained mixture B to stir 1.3h at 96 DEG C, and the bleeding agent is penetrating agent JFC；
C () filters sediment by after mixture B is cooled to room temperature obtained in step b, in the case where rotating speed is 5000r/min
Centrifugal drying to water content is 0.5%, and fire retardant is obtained；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 200 DEG C in temperature, rotating speed is
Under 140r/min, through extruding strand, the heat sink material with high tensile, the radiating material with high tensile is obtained
Material is applied in 3D printing notebook computer casing.
Comparative example 1, a kind of Patent Application Publication " high-performance notebook computer casing composite (publication number：CN
106479136A) " product obtained in embodiment 3.
Comparative example 2, formula used is same as Example 3 with preparation method, and unique difference is not add Graphene wherein.
Composite prepared by composite and comparative example 1-2 prepared by detection embodiment 1-3, it is as a result as shown in the table：
As seen from the above table, the thermal diffusivity and tensile strength of the obtained heat sink material with high tensile of the present invention are obvious
Better than the composite of comparative example 1-2.In addition as can be seen from the above table, product of the invention can be applied to 3D printing notebook electricity
In brain shell, and during the product of prior art may not apply to 3D printing notebook computer casing.
Above content is confined to these explanations it cannot be assumed that the present invention is embodied, for the technical field of the invention
Those of ordinary skill for, under the premise of present inventive concept is not departed from, some simple deduction or replace can also be made, all should
When being considered as belonging to the scope of patent protection that claims by being submitted to of the present invention determine.
Claims (3)
1. a kind of heat sink material with high tensile, it is characterised in that in units of weight portion, including following raw material：Stone
Black alkene 1.9-4.2 parts, tributoxyethyl phosphate 82-126 parts, makrolon 23-37 parts, PLA 51-74 parts, four polyphosphoric acids
Sodium 21-30 parts, 12-15 parts of chloropropyl styrene, maleic anhydride inoculated polypropylene 11-14 parts, sodium cellulose glycolate 8-12 parts,
Kafra fiber 4-6 parts, 3-5 parts of polybutylene terephthalate (PBT) fiber, surfactant 1-1.6 parts, conditioning agent 0.4-0.8
Part, propellant 0.3-0.5 parts, crosslinking agent 0.4-0.8 parts, compatilizer 0.7-1.3 parts, bridging agent 0.5-1 parts, catalyst 0.3-
0.5 part, plasticizer 0.5-0.8 parts, dispersant 0.3-0.5 parts, tackifier 0.4-0.7 parts, curing agent 1-2.3 parts, antioxidant
0.3-0.5 parts, stabilizer 0.2-0.4 parts, antiager 1.2-1.8 parts, fire retardant 1.8-2.4 parts；
The surfactant is Pluronic F68；
The conditioning agent is ACR；
The propellant is aerogel generating agent；
The crosslinking agent is crosslinking aid S AC-100；
The compatilizer is that maleic anhydride is grafted compatilizer；
The bridging agent is acrylic type bridging agent；
The catalyst is vanadic anhydride；
The plasticizer is citrate；
The dispersant is Dispersant MF；
The tackifier are butyl trimethoxy silane；
The curing agent is epoxylite curing agent；
The antioxidant is antioxidant 2246；
The stabilizer is modified alta-mud heat stabilizer；
The antiager is BASF UV-234 antiagers；
The fire retardant is in units of weight portion, including following raw material：Ethylene glycol ether acetate 60-68 parts, caprylic capric it is sweet
Ester 25-28 parts of oil three, 22-24 parts of NPE ammonium sulfate, 18-22 parts of PPOX triol, urea 14-16
Part, aluminum oxide 10-12 parts, antimony oxide 9-11 parts, lead oxide 7-10 parts, bentonite 8-12 parts, bleeding agent 1-2 parts.
2. a kind of preparation method of the heat sink material with high tensile according to claim 1, it is characterised in that bag
Include following steps：
S1：200-300 mesh sieve is crossed after tributoxyethyl phosphate and makrolon are crushed, hybrid resin powder is obtained；
S2：It it is 68-72 DEG C in temperature to surfactant is added in hybrid resin powder obtained in step S1, rotating speed is 150-
1-1.3h is activated under 180r/min, activation hybrid resin powder is obtained；
S3：Graphene is crushed, 200-300 mesh sieve is crossed, powder is obtained, gained powder is 7000-8200GS in magnetic field intensity,
Ultrasonic power is 520-650W, and temperature is 52-56 DEG C, and rotating speed is obtained graphite under 200-300r/min, to stir 40-50min
Alkene energy powder；
S4：Under nitrogen protection, to Graphene energy obtained in addition step S3 in activation hybrid resin powder obtained in step S2
Amount powder, PLA, sodium tetrapolyphosphate, chloropropyl styrene, maleic anhydride inoculated polypropylene, sodium cellulose glycolate, Kev
Tow dimension, polybutylene terephthalate (PBT) fiber, conditioning agent, propellant, crosslinking agent, compatilizer, bridging agent, catalyst, increasing
Modeling agent, dispersant, tackifier, are 320-360W in microwave power, and temperature is 140-145 DEG C, and rotating speed is under 200-400r/min
Stirring 2.8-4h, is obtained mixture I；
S5：To curing agent, antioxidant, stabilizer, antiager, fire retardant is added in mixture I obtained in step S4, it is in temperature
76-80 DEG C, rotating speed is obtained mixture II to stir 1.6-2h under 150-250r/min；
S6：Mixture II obtained in step S5 is put into screw extruding forming machine, is 190-200 DEG C in temperature, rotating speed is
Under 125-140r/min, through extruding strand, the heat sink material with high tensile is obtained.
3. a kind of heat sink material with high tensile according to claim 1 is in 3D printing notebook computer casing
Application.
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| CN201710190901.5A CN106883570A (en) | 2017-03-28 | 2017-03-28 | A kind of heat sink material with high tensile, preparation method and applications |
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|---|---|---|---|
| CN201710190901.5A CN106883570A (en) | 2017-03-28 | 2017-03-28 | A kind of heat sink material with high tensile, preparation method and applications |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456578A (en) * | 2018-10-12 | 2019-03-12 | 安徽胜利精密制造科技有限公司 | Integrate the laptop D shell and its forming method of heat dissipation and electromagnetic shielding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106433083A (en) * | 2016-10-19 | 2017-02-22 | 黄宇 | Graphene modified rubber material with high bending strength |
| CN106479136A (en) * | 2016-10-17 | 2017-03-08 | 蒙宇 | A kind of high-performance notebook computer casing composite |
| CN106496983A (en) * | 2016-11-17 | 2017-03-15 | 南宁梦幻三体环保科技有限公司 | A kind of graphene composite material of 3D printing |
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2017
- 2017-03-28 CN CN201710190901.5A patent/CN106883570A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106479136A (en) * | 2016-10-17 | 2017-03-08 | 蒙宇 | A kind of high-performance notebook computer casing composite |
| CN106433083A (en) * | 2016-10-19 | 2017-02-22 | 黄宇 | Graphene modified rubber material with high bending strength |
| CN106496983A (en) * | 2016-11-17 | 2017-03-15 | 南宁梦幻三体环保科技有限公司 | A kind of graphene composite material of 3D printing |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109456578A (en) * | 2018-10-12 | 2019-03-12 | 安徽胜利精密制造科技有限公司 | Integrate the laptop D shell and its forming method of heat dissipation and electromagnetic shielding |
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