CN108659495A - The glass fiber reinforced polycarbonate composite material and preparation method of low smell - Google Patents
The glass fiber reinforced polycarbonate composite material and preparation method of low smell Download PDFInfo
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- CN108659495A CN108659495A CN201810479920.4A CN201810479920A CN108659495A CN 108659495 A CN108659495 A CN 108659495A CN 201810479920 A CN201810479920 A CN 201810479920A CN 108659495 A CN108659495 A CN 108659495A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- 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
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- 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
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- 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
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/004—Additives being defined by their length
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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
- C08K2201/006—Additives being defined by their surface area
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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
Abstract
The present invention provides a kind of glass fiber reinforced polycarbonate composite materials of low smell, are prepared by the raw material of following parts by weight：60 90 parts by weight of makrolon, 5 40 parts by weight of short glass fiber reinforcement, 3 10 parts by weight of interfacial compatibilizer, 15 parts by weight of the first eliminating smell agent, 0.1 1 parts by weight of 15 parts by weight of the second eliminating smell agent and antioxidant.The present invention also provides the preparation methods of above-mentioned glass fiber reinforced polycarbonate composite material.The present invention is modified in material filling using glass fibre, and under the common auxiliary of interfacial compatibilizer and eliminating smell agent, while the mechanical characteristic for further increasing material, it more can effectively control composite material smell, it especially has outstanding performance in the glass system of high-content, there is no much difference with the oder levels in low glass fiber content.
Description
Technical field
The invention belongs to polymeric material fields, are related to a kind of glass fiber reinforced polycarbonate composite material, specific next
Say it is a kind of glass fiber reinforced polycarbonate composite material and preparation method of low smell.
Background technology
Polycarbonate is a kind of widely applied general-purpose plastics, has excellent comprehensive performance and processing and forming type, phase
To cheap price, occupies leading status in the plastic, be widely used among daily life.Glass system, which is added, to be had
The performance deficiency for making up makrolon of effect, to further reduce the cost.
As under the trend of current automotive light weight technology, using glass fiber-reinforced polycarbonate system, more and more application has been
In each part of automobile, for example, preceding segment frames, bumper etc..More and more glass fiber-reinforced polycarbonate systems enter
In automobile, what is brought is another problem --- smell and VOC.With《Passenger car inside air quality standard》Policy goes out
It even for the universal masses is a bank that do not walk around that platform, smell and VOC, which have been major main engine plants,.Automotive interior is one
The small-molecule substance of the environment of a sealing, the smell and volatilization that internal part distributes almost effectively, can not be arranged rapidly
It is put into outdoor, can only be absorbed by its internal personnel, bring a series of hidden danger.Science shows some substance meetings in VOC
Human body and environment are caused directly to endanger, for example, the high-content of VOC can cause to damage to Sensory nerves such as the vision of people and the sense of hearings
Evil is chronically in this kind of environment or even can cause neurotic or melancholia；For another example formaldehyde can stimulate the pharyngeal and lung of people
Portion causes expiratory dyspnea, headache, uncomfortable in chest, or even causes pulmonary emphysema etc..In traditional solution such as CN201310308220.6
Described is extracted out by changing the additive amount of mass ratio come and by vacuum using nano zine oxide and nano-titanium dioxide
Reach the solution of low smell, low VOC, although its ideal effect, nano zine oxide and nanometer two can be reached
Titanium oxide it is expensive, achieve the effect that low smell, low VOC in practical plant produced simultaneously by adding both auxiliary agents
It is infeasible, moreover, the lower small-molecule substance of some boiling points can only be extracted out by this method, remaining boiling point is higher
Substance also retains in the material, can not really eradicate；CN201010543461.5 has also used similar solution, using multiple
The eliminating smell agent matched achieve the purpose that de-taste, low VOC, but using zinc ricinate as leading deodorant for going sulphur removal class
Small molecule have obvious action, for other small molecules such as benzene class, the validity of aldoketones still needs to be investigated, therefore not
Low smell can be really achieved, the glass fiber-reinforced polycarbonate that low VOC is required.
Invention content
For above-mentioned technical problem in the prior art, the present invention provides a kind of glass fiber reinforced polyester carbon of low smell
The glass fiber reinforced polycarbonate composite material of acid esters composite material and preparation method, this low smell will solve
Smell and the higher technical problem of VOC content in glass fiber-reinforced polycarbonate in the prior art.
The present invention provides a kind of glass fiber reinforced polycarbonate composite materials of low smell, by the original of following parts by weight
Material is prepared：
First eliminating smell agent is to be loaded with the liquid extractant that boiling point is 80-100 DEG C or volatilization temperature is 90~180 DEG C
Polyethylene foamed master batch, in the first eliminating smell agent, the parts by weight of the liquid extractant are 40%~85%, described the
Two eliminating smell agents are the porous adsorbent of load-reaction type eliminating smell agent.
Further, the makrolon is copolymerization polycarbonate or polycarbonate homopolymer, in 300 DEG C, the survey of 1.2Kg
Under the conditions of examination, the melt index of the makrolon is 10~70g/10min.
Further, the glass fibre is selected from the chopped glass of the rounded short glass fiber in section, ellipsoidal cross section
A combination of one or more in glass fiber or section short glass fiber triangular in shape, the diameter of the glass fibre
For 7~13um, chopped length is 3~4.5um.
Further, the interfacial compatibilizer is that maleic anhydride is grafted makrolon, grafting rate 1.0%.
Further, the antioxidant is the combination of 1010,168, one or more of DSTP.
Further, the liquid extractant be water, hexamethyldisilane, hexamethyldisiloxane, triethyl group cinnamic alcohol,
The combination of one or more of octamethyltrisiloxane.
Further, the response type eliminating smell agent be edetate, trinitroso-trimethylene triamine five (methylene phosphate),
The combination of one or more of ethylenediamine tetraacetic (methylene phosphate), 2,4 dinitrophenyl hydrazine.
Further, the porous adsorbent is specific area in 300~900m2/ g, pore diameter range are 12~23nm's
Mesoporous nano silicon dioxide or 13X type zeolite molecular sieves.
The present invention also provides a kind of preparation sides of the glass fiber reinforced polycarbonate composite material of above-mentioned low smell
Method includes the following steps：
1) makrolon, glass fibre, interfacial compatibilizer, the first eliminating smell agent, the second taste removal first are weighed by following parts by weight
Agent, antioxidant；
2) makrolon, interfacial compatibilizer, the first eliminating smell agent, the second eliminating smell agent, antioxidant are uniformly mixed, are mixed
Raw material；
3) it after drying above-mentioned mixed raw material, is placed in the main feeding bin of meshing co rotating twin screw extrusion, through feeding spiral shell
Bar is added in the machine barrel of extruder, glass fibre is added to from side spout in extruder, extruder screw is a diameter of
35mm, draw ratio L/D are 35, and each zone temperature that main barrel is exported from charge door to head is set as：270℃、280℃、290
DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed be 150 revs/min, at melting extrusion, cooling, granulation, drying
The glass fiber reinforced polycarbonate composite material of low smell is made in reason.
The glass fiber reinforced polycarbonate composite material for the low smell that technical solution through the invention is prepared,
While having little influence on its mechanical property, the VOC content value of material can be effectively reduced, and its oder levels can be reduced, is added
The eliminating smell agent entered will not influence material property, even promoted in high glass system, will not remain on material
Material is internal, answers the right performance indicator requirement for modified material itself.
The emphasis of the present invention is to have used two kinds of eliminating smell agent in formula system, and mainly in formula
Compatilizer small molecule in system, the additive amount of the difference of glass incrementss, compatilizer is also different, the amount of the small molecule contained
Also it changes correspondingly, while glass fibre is more mineral-filled compares, the friction between screw rod is more violent, the melt thus brought
Temperature also higher so that the decomposition of polycarbonate resin is also more violent, has been further exacerbated by the gas of glass fiber-reinforced polycarbonate
Taste grade and VOC content.Moreover, the addition of some other auxiliary agents such as antioxidant etc. also brings along some small molecule objects
The decomposition of matter, the decomposition joint effects of these small-molecule substances smell and VOC content value of composite material.The present invention uses
The eliminating smell agents of two kinds of different systems increase a kind of eliminating smell agent of polymerism on the basis of traditional eliminating smell agent, can will disperse
Small-molecule substance in the material is aggregating first, then by the eliminating smell agent of second of extraction type, small point will to be polymerized
Sub- substance is extracted from composite material, then is detached from material by way of vacuumizing, while can make small point of compatilizer
Son carries out secondary grafting, while achieving the effect that low smell, low VOC, moreover it is possible to a small amount of mechanical property for promoting composite material.
The present invention is modified in material filling using glass fibre, and in the common of interfacial compatibilizer and eliminating smell agent
Auxiliary under, while the mechanical characteristic for further increasing material, composite material smell more can be effectively controlled, especially in height
It has outstanding performance in the glass system of content, there is no much difference with the oder levels in low glass fiber content.
The present invention is compared with prior art, and technological progress is significant, of the invention product in traditional fiberglass reinforced
On the basis of polycarbonate system, by adding two distinct types of eliminating smell agent, complement each other to get to low smell, low VOC
Effect, both eliminating smell agents it is cheap, can buy on the market, be it is a kind of can fitting it is practical, be applied to production
Low smell, low VOC fiberglass reinforceds makrolon, while not influencing the physical property of material, in the system of high glass its
Mechanical property can also be promoted.
Specific implementation mode
Below by specific embodiment, the present invention is described further, and the embodiment is merely to illustrate this hair
It is bright rather than limiting the invention.
The embodiment of the present invention is raw materials used：
PC:Makrolon, oil of SPC, melt index MFR are 20g/10min, (300 DEG C, 1.2Kg).
Chopped glass fiber：ECS-305H, a diameter of 13um, chopped length 4.5mm, Chongqing glass CPIC.
Interfacial compatibilizer：Maleic anhydride is grafted makrolon CMG-5001, the liter new material Co., Ltd of Nantong day, chemistry
It is 0.8% to test grafting rate.
First eliminating smell agent：Polyethylene foamed master batch of the active principle liquid extractant parts by weight 40%~85%, it is described
Liquid extractant be water.
Second eliminating smell agent：2,4 dinitrophenyl hydrazine is configured to containing 2,4 dinitrophenyl hydrazine mass percent concentration be 2
~5% ethanol solution measures, and 13X type zeolite molecular sieves, the matter of the 13X types zeolite molecular sieve and ethanol solution is added
Amount volume ratio is 250~350g：1L is filtered after stirring 2~4h, needs to be rinsed with absolute ethyl alcohol during filtering, and dries, is ground
Sieve, finally obtains the porous mass of load-reaction type eliminating smell agent.
Antioxidant：1010, chemical name is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters,
Rianlon Corporation.168, chemical name three [2.4- di-tert-butyl-phenyls] phosphite ester, Tianjin profit
An Long new materials limited liability company.
Properties of product are tested：
Tensile property：It is carried out by ISO527-2 standards, test rate 5mm/min.
Bending property：It is carried out by IS178 standards, span 64mm, test rate 2mm/min.
Impact property：It is carried out on impact tester for simple supported beam by ISO179-1 standards, batten notch is A types.
Oder levels：It is carried out by public PV3900 standards, sample mass is 50 ± 2g, and it is 80 DEG C to place temperature, when placement
Between be 2h.
TVOC is tested：It is carried out by Guangzhou Automobile Workshop's 0094Z-T7S-0000 standards, occupation mode is sack method, and volume 10L is placed
Temperature is 65 DEG C, standing time 2h.
Embodiment 1
Each component is weighed by 1 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 2
Each component is weighed by 2 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 3
Each component is weighed by 3 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 4
Each component is weighed by 4 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 5
Each component is weighed by 5 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 6
Each component is weighed by 6 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 7
Each component is weighed by 7 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Embodiment 8
Each component is weighed by 7 data of embodiment shown in table 1, by each component other than chopped glass fiber enhancing system in height
It is uniformly mixed, is put into the main feeding bin of double screw extruder in fast mixing machine, chopped glass fiber enhancing system is put into side and fed
Feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each zone temperature that main barrel is exported from charge door to head
It is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting
It squeezes out, is cooling, being granulated, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Glass fiber reinforced polycarbonate composite material (the unit of 1 low smell of table：Gram)
Comparative example 1
55 grams of PC, 35 grams of chopped glass fibers, 10 grams of interfacial compatibilizers are weighed, by each component other than glass in high-speed mixer
In be uniformly mixed, put into the main feeding bin of double screw extruder, chopped glass fiber is put into lateral feeding bin, extruder spiral shell
Shank diameter is 35mm, and draw ratio L/D is 35, and each zone temperature that main barrel is exported from charge door to head is set as：270℃、
280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting extrusion, cooling, is made
The glass fiber reinforced polycarbonate composite material of low smell is made in grain, drying and processing.
Comparative example 2
70 grams of PC, 20 grams of chopped glass fibers, 5 grams of interfacial compatibilizers, 3 gram of first eliminating smell agent are weighed, by each group other than glass
Divide and be uniformly mixed in high-speed mixer, put into the main feeding bin of double screw extruder, chopped glass fiber puts into lateral feed
In feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each subregion temperature that main barrel is exported from charge door to head
Degree is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through molten
Melt extrusion, cooling, granulation, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
Comparative example 3
70 grams of PC, 20 grams of chopped glass fibers, 5 grams of interfacial compatibilizers, 3 gram of second eliminating smell agent are weighed, by each group other than glass
Divide and be uniformly mixed in high-speed mixer, put into the main feeding bin of double screw extruder, chopped glass fiber puts into lateral feed
In feed bin, extruder screw a diameter of 35mm, draw ratio L/D are 35, each subregion temperature that main barrel is exported from charge door to head
Degree is set as：270 DEG C, 280 DEG C, 290 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through molten
Melt extrusion, cooling, granulation, drying and processing, the glass fiber reinforced polycarbonate composite material of low smell is made.
The performance test results of the glass fiber reinforced polycarbonate composite material of 2 low smell of table
From the point of view of the performance test of each embodiment and comparative example shown in table 2, using two kinds heretofore described of use
The method that the deodorant of type is used in combination can obviously improve the smell and VOC content of glass fiber-reinforced polycarbonate system, and
And the mechanical property of composite material will not be reduced.Comparative example 6, experimental example 7, experimental example 8 and contrast experiment's example 1, comparison
Example 1 is compound with glass fiber content, the increase of interfacial compatibilizer content we can see that in the compound system of identical proportioning
The oder levels of material have the variation of gradient, addition eliminating smell agent that can effectively improve smell and VOC content, and addition de-tastes
After agent, the oder levels of composite material are promoted from 4.0 to be reduced to 3.3, TVOC contents from 68.1 to 5.4, reduces 90%
As many as.And by comparative example 4, embodiment 5 it will be seen that the addition of eliminating smell agent can not only improve composite material
Smell and VOC content, and the mechanical property of composite material can be improved to a certain extent, this is because being added to poly-
The eliminating smell agent of mould assembly, during melting extrusion, which can effectively be aggregating free small molecule, simultaneously
During polymerization, some also non-grafted interfacial compatibilizer monomers take part in graft reaction, Joint Implementation example 7, embodiment
8, by increasing polymerism eliminating smell agent, the mechanical property item by item of composite material has fraction of promotion, and it is poly- which demonstrate additions
Conjunction property deodorant does not have a negative impact but not to composite material, can promote the grafting of compatilizer instead, improves composite material
Mechanical property.Contrast experiment's example 4, experimental example 5, comparative example 2, comparative example 3 it will be seen that the single eliminating smell agent of addition its
Effect is not so good as to use two kinds of eliminating smell agents, this is because can not rapidly be completely disengaged out small molecule using single eliminating smell agent,
The small molecule that can not be detached from still stays in material internal, can not really realize low smell, the purpose of low VOC.
In general, the glass fiber reinforced polycarbonate composite material for the low smell that this product is described is in traditional glass
On the basis of fine enhancing system, by adding two distinct types of eliminating smell agent, achieve the effect that low smell, low VOC, not only
The requirement that low smell, low VOC can be reached in low glass fibre filling, in high glass fibre filling, the smell and VOC numerical value of composite material
There is no great difference with low glass fiber content system.Simultaneously under the additive amount of the compatilizer of certain content, aggretion type is added
Deodorant can also promote the mechanical property of composite material on a small quantity, while can also reach the requirement of low smell, low VOC.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent defines.
Claims (9)
1. a kind of glass fiber reinforced polycarbonate composite material of low smell, it is characterised in that by the raw material system of following parts by weight
It is standby to form：
60 ~ 90 parts by weight of makrolon；
5 ~ 35 parts by weight of glass fibre；
3 ~ 10 parts by weight of interfacial compatibilizer；
First eliminating smell agent, 1 ~ 3 parts by weight；
Second eliminating smell agent, 1 ~ 3 parts by weight；
0.1 ~ 1 parts by weight of antioxidant；
First eliminating smell agent is the hair for being loaded with the liquid extractant that boiling point is 80-100 DEG C or volatilization temperature is 90 ~ 180 DEG C
Polyethylene master batch is steeped, in the first eliminating smell agent, the parts by weight of the liquid extractant are 40% ~ 85%, second taste removal
Agent is the porous adsorbent of load-reaction type eliminating smell agent.
2. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The makrolon is copolymerization polycarbonate or polycarbonate homopolymer, and under 300 DEG C, the test condition of 1.2Kg, described is poly-
The melt index of carbonic ester is 10 ~ 70 g/10min.
3. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
It is in three that the glass fibre, which is selected from the rounded short glass fiber in section, ellipsoidal cross section short glass fiber or section,
A combination of one or more in angular short glass fiber, a diameter of 7 ~ 13um of the short glass fiber, be chopped length
Degree is 3 ~ 4.5um.
4. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The interfacial compatibilizer is that maleic anhydride is grafted makrolon, grafting rate 1.0%.
5. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The antioxidant is the combination of 1010,168, one or more of DSTP.
6. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The liquid extractant is in water, hexamethyldisilane, hexamethyldisiloxane, triethyl group cinnamic alcohol, octamethyltrisiloxane
A combination of one or more.
7. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The response type eliminating smell agent is edetate, trinitroso-trimethylene triamine five（Methylene phosphate）, ethylenediamine tetraacetic（Methylene phosphorus
Acid）, one or more of 2,4 dinitrophenyl hydrazine combination.
8. a kind of glass fiber reinforced polycarbonate composite material of low smell according to claim 1, it is characterised in that：
The porous adsorbent is specific area in 300 ~ 900m2/ g, pore diameter range 12 ~ 23nm mesoporous nano silicon dioxide or
13X type zeolite molecular sieves.
9. a kind of preparation method of the glass fiber reinforced polycarbonate composite material of low smell described in claim 1, special
Sign is to include the following steps：
First makrolon is weighed by following parts by weight, glass fibre, interfacial compatibilizer, the first eliminating smell agent, the second eliminating smell agent, resist
Oxygen agent；
Makrolon, interfacial compatibilizer, the first eliminating smell agent, the second eliminating smell agent, antioxidant are uniformly mixed, mixed raw material is obtained；
After above-mentioned mixed raw material is dried, it is placed in the main feeding bin of meshing co rotating twin screw extrusion, is added through feed screw
Into the machine barrel of extruder, glass fibre is added to from side spout in extruder, a diameter of 35mm of extruder screw, major diameter
It is 35 than L/D, each zone temperature that main barrel is exported from charge door to head is set as：2270℃、280℃、290℃、300
DEG C, 300 DEG C, 300 DEG C, 300 DEG C, engine speed is 150 revs/min, through melting extrusion, cooling, granulation, drying and processing, is made
The glass fiber reinforced polycarbonate composite material of low smell.
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