CN108102311A - A kind of low dielectric PBT/PETG alloy nano injection molding composite materials and its preparation method and application - Google Patents
A kind of low dielectric PBT/PETG alloy nano injection molding composite materials and its preparation method and application Download PDFInfo
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- CN108102311A CN108102311A CN201810015370.0A CN201810015370A CN108102311A CN 108102311 A CN108102311 A CN 108102311A CN 201810015370 A CN201810015370 A CN 201810015370A CN 108102311 A CN108102311 A CN 108102311A
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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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Abstract
The present invention provides a kind of low dielectric PBT/PETG alloy nano injection molding composite materials and its preparation method and application, the raw material for preparing of the PBT/PETG alloy nanos injection molding composite material includes 30 50 parts by weight PBT resins, 30 50 parts by weight PETG resins, 30 40 parts by weight of glass fiber, 0.2 0.8 parts by weight antioxidant, 12 parts by weight lubricants, the anti-UV agent of 0.3 0.5 parts by weight and 38 parts by weight of compatible agent, with good mechanical performance, heat resistance, chemical resistance and processability, and with relatively low dielectric constant, relatively low dielectric loss factor, it is suitable for the preparation of dielectric materials or electric equipment products.
Description
Technical field
The invention belongs to technical field of polymer materials, be related to a kind of PBT/PETG alloy nanos injection molding composite material and its
Preparation method and application more particularly to a kind of low dielectric PBT/PETG alloy nano injection molding composite materials and preparation method thereof and should
With.
Background technology
Low dielectric nano injection molding composite material is used in electronic products such as mobile phone, tablet, smartwatch, compared to traditional glass
The nanometer injection molding composite material of glass fiber reinforcement type, low dielectric nano injection molding composite material possess lower dielectric loss and
Higher electromagnetic signal transmitance is of great significance in the development of electric and Communication Equipment etc..
At present, some problems urgently to be resolved hurrily are still remained in low dielectric nano injection molding composite material field, it is particularly low
The problem of dielectric constant and low-dielectric loss.In the research field of this dielectric materials：1. addition has low-k
Glass fibre prepares the composite material of this low-k, but not only expensive, but also yield is few, can not meet city
Field demand；2. reducing glass fibre additive amount, the comprehensive mechanical performance and heatproof and chemical resistance of such product have been beaten very
Big discount.
CN104629274A discloses a kind of polyester composite for nanometer injection, by following weight percent content
Component forms：The polyester resin of 37.5-81%, the polyolefin of 3-20%, the antioxidant of 0.05-0.5%, 0.1-0.2%'s is de-
Mould agent, the glass fibre of 10-40%, the polyester resin include PBT resin, and the PBT resin accounts for described for nanometer injection
Polyester composite weight percent for 30-70%, although product enhances the adhesive strength of resin and metal, still
It does not solve the problems, such as exist in terms of dielectric.
Therefore, in the art, a kind of nanometer injection composite wood with more low-dielectric energy, high comprehensive performance is developed
Material is the research emphasis of this field.
The content of the invention
For problem of the prior art, it is an object of the invention to provide a kind of PBT/PETG alloy nanos to be molded composite wood
Material and its preparation method and application, is especially to provide a kind of low dielectric PBT/PETG alloy nanos injection molding composite material and its preparation
Methods and applications.
For this purpose, the present invention uses following technical scheme：
On the one hand, the present invention provides a kind of PBT/PETG alloy nanos injection molding composite material, and the PBT/PETG alloys are received
The raw material for preparing of rice injection molding composite material includes the component of following parts by weight：
In the present invention, PBT has good excellent mechanical performance and heat resistance as base material, combines with PETG
It uses, synergistic effect, can not only ensure the mechanical performance and heat resistance of material under dosage cooperation, and can make
Obtaining material has relatively low dielectric constant, has both excellent toughness and chemical resistance, glass fibre further enhances the comprehensive of material
Mechanical property and chemical resistance are closed, antioxidant delays or inhibit the progress of polymer oxidation process, and lubricant improves the stream of material
Dynamic property, anti-UV agent reduce material light degradation, delaying aging, and compatilizer strengthens the compatibility of resin and glass fibre, improves material
Toughness.It is excellent to cause that PBT/PETG alloy nano injection molding composite materials obtain under the cooperation of material component of the present invention
Comprehensive performance.
In the present invention, the dosage of PBT described in the PBT/PETG alloy nanos injection molding composite material can be 30 weights
Measure part, 31 parts by weight, 32 parts by weight, 33 parts by weight, 34 parts by weight, 35 parts by weight, 36 parts by weight, 37 parts by weight, 38 parts by weight,
39 parts by weight or 40 parts by weight.
In the present invention, the dosage of PETG described in the PBT/PETG alloy nanos injection molding composite material can be 30 weights
Measure part, 31 parts by weight, 32 parts by weight, 33 parts by weight, 34 parts by weight, 35 parts by weight, 36 parts by weight, 37 parts by weight, 38 parts by weight,
39 parts by weight or 40 parts by weight.
Preferably, the PBT resin and the weight ratio of PETG resins are 1:1.
In the present invention, the dosage of glass fibre can be described in the PBT/PETG alloy nanos injection molding composite material
35 parts by weight, 36 parts by weight, 37 parts by weight, 38 parts by weight, 39 parts by weight or 40 parts by weight.
In the present invention, the dosage of antioxidant can be described in the PBT/PETG alloy nanos injection molding composite material
0.2 parts by weight, 0.25 parts by weight, 0.3 parts by weight, 0.35 parts by weight, 0.4 parts by weight, 0.45 parts by weight, 0.5 parts by weight, 0.55
Parts by weight, 0.6 parts by weight, 0.65 parts by weight, 0.7 parts by weight, 0.75 parts by weight or 0.8 parts by weight.
In the present invention, the dosage of lubricant described in the PBT/PETG alloy nanos injection molding composite material can be 1
Parts by weight, 1.2 parts by weight, 1.4 parts by weight, 1.6 parts by weight, 1.8 parts by weight or 2 parts by weight.
In the present invention, the dosage of anti-UV agent can be described in the PBT/PETG alloy nanos injection molding composite material
0.3 parts by weight, 0.35 parts by weight, 0.38 parts by weight, 0.4 parts by weight, 0.43 parts by weight, 0.45 parts by weight, 0.48 parts by weight or
0.5 parts by weight.
In the present invention, the dosage of compatilizer described in the PBT/PETG alloy nanos injection molding composite material can be 3
Parts by weight, 4 parts by weight, 5 parts by weight, 6 parts by weight, 7 parts by weight or 8 parts by weight.
Preferably, the antioxidant is antioxidant 1010 and/or irgasfos 168.
Preferably, the lubricant is for any one in lubricant TAF, lubricant PETS or Lubricate EBS or at least
Two kinds of combination.
Preferably, the anti-UV agent is ultraviolet absorbent UV-531 and/or ultra-violet absorber VSU.
Preferably, the compatilizer is that the compatilizer is maleic anhydride grafting POE (W1A) and/or maleic anhydride is grafted
Polypropylene (KT-1).
On the other hand, the present invention provides a kind of preparation side of PBT/PETG alloy nanos injection molding composite material as described above
Method, the preparation method comprise the following steps：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) mixture that step (1) obtains is blended using extruder, squeezes out, obtain melt blended material, then again
Glass fibre is added in, shearing, engagement obtain PBT/PETG alloy nano injection molding composite materials.
In the present invention, the temperature of the extrusion be 200-250 DEG C, such as 200 DEG C, 230 DEG C, 245 DEG C, 240 DEG C, 250
DEG C, 240 DEG C, 240 DEG C or 250 DEG C.
Preferably, the extruder is double screw extruder.
Preferably, the engine speed of the double screw extruder be 300-400rpm/min, such as 300rpm/min,
320rpm/min, 340rpm/min, 360rpm/min, 380rpm/min or 400rpm/min, feeding rotating speed are 10-30rpm/
Min, such as 10rpm/min, 13rpm/min, 15rpm/min, 18rpm/min, 20rpm/min, 23rpm/min, 25rpm/
Min, 28rpm/min or 30rpm/min.
On the other hand, the present invention provides PBT/PETG alloy nanos injection molding composite materials as described above to prepare low Jie
Application in electric material or electric equipment products preparation.
The present invention PBT/PETG alloy nanos injection molding composite material have low dielectric constant, relatively low dielectric loss because
Son has excellent mechanical performance, chemical resistance and processability, can be used for the system of dielectric materials or electric equipment products
It is standby.
Compared with the prior art, the invention has the advantages that：
The PBT/PETG alloy nanos injection molding composite material of the present invention has good mechanical performance, heat resistance, resistance toization
The property learned and processability, and with relatively low dielectric constant, relatively low dielectric loss factor, be suitable for dielectric materials or
The preparation of electric equipment products.
Specific embodiment
The technical solution further illustrated the present invention below by specific embodiment.Those skilled in the art should be bright
, the embodiment be only to aid in understand the present invention, be not construed as to the present invention concrete restriction.
Embodiment 1
In the present embodiment, the raw material for preparing of PBT/PETG alloy nanos injection molding composite material includes the group of following parts by weight
Point：
Wherein, antioxidant is antioxidant 1010, and lubricant is lubricant TAF, and anti-UV agent is ultraviolet absorbent UV-531,
Compatilizer is grafted POE for maleic anhydride.
Preparation method is specially：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are mixed
(2) mixture that step (1) obtains is blended using double screw extruder, squeezed out, the temperature of extrusion is 220
DEG C, the engine speed of the double screw extruder is 350rpm/min, and feeding rotating speed is 20rpm/min, obtains melt blended material,
Glass fibre is then added, shearing, engagement obtain PBT/PETG alloy nano injection molding composite materials.
Embodiment 2
In the present embodiment, the raw material for preparing of PBT/PETG alloy nanos injection molding composite material includes the group of following parts by weight
Point：
Wherein, antioxidant is irgasfos 168, and lubricant is lubricant PETS, and anti-UV agent is ultra-violet absorber VSU, phase
Appearance agent is maleic anhydride inoculated polypropylene.
Preparation method is specially：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) mixture that step (1) obtains is blended using double screw extruder, squeezed out, the temperature of extrusion is 200
DEG C, the engine speed of the double screw extruder is 300rpm/min, and feeding rotating speed is 30rpm/min, obtains melt blended material；
Glass fibre is then added, shearing, engagement obtain PBT/PETG alloy nano injection molding composite materials.
Embodiment 3
In the present embodiment, the raw material for preparing of PBT/PETG alloy nanos injection molding composite material includes the group of following parts by weight
Point：
Wherein, antioxidant is antioxidant 1010, and lubricant is lubricant TAF, and anti-UV agent is ultraviolet absorbent UV-531,
Compatilizer is maleic anhydride inoculated polypropylene.
Preparation method is specially：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) mixture that step (1) obtains is blended using double screw extruder, squeezed out, the temperature of extrusion is 250
DEG C, the engine speed of the double screw extruder is 400rpm/min, and feeding rotating speed is 10rpm/min, obtains melt blended material,
Glass fibre is then added, shearing, engagement obtain PBT/PETG alloy nano injection molding composite materials.
Embodiment 4
In the present embodiment, the raw material for preparing of PBT/PETG alloy nanos injection molding composite material includes the group of following parts by weight
Point：
Wherein, antioxidant is irgasfos 168, and lubricant is Lubricate EBS, and anti-UV agent is ultra-violet absorber VSU, compatible
Agent is grafted POE for maleic anhydride.
Preparation method is specially：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) mixture that step (1) obtains is blended using double screw extruder, squeezed out, the temperature of extrusion is 250
DEG C, the engine speed of the double screw extruder is 380rpm/min, and feeding rotating speed is 25rpm/min, obtains melt blended material,
Glass fibre is then added, shearing, engagement obtain PBT/PETG alloy nano injection molding composite materials.
Embodiment 5
In the present embodiment, the raw material for preparing of PBT/PETG alloy nanos injection molding composite material includes the group of following parts by weight
Point：
Wherein, antioxidant is antioxidant 1010, and lubricant is lubricant TAF, and anti-UV agent is ultraviolet absorbent UV-531,
Compatilizer is grafted POE for maleic anhydride.
Preparation method is specially：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) it is blended, is squeezed out using double screw extruder, the temperature of extrusion is 230 DEG C, the double screw extruder
Engine speed is 400rpm/min, and feeding rotating speed is 15rpm/min, obtains melt blended material, then adds glass fibre, cuts
It cuts, engage, obtain PBT/PETG alloy nano injection molding composite materials.
Comparative example 1
The raw material for preparing of PBT/PETG alloy nanos injection molding composite material does not include PETG trees as different from Example 1
Fat, the dosage of PBT resin is 80 parts by weight, remaining raw material dosage and preparation method are same as Example 1.
Comparative example 2
The raw material for preparing of PBT/PETG alloy nanos injection molding composite material does not include glass fibers as different from Example 1
Dimension, remaining raw material dosage and preparation method are same as Example 1.
Comparative example 3
The dosage of PETG resins is 20 parts by weight as different from Example 1, remaining raw material dosage and preparation method are equal
It is same as Example 1.
Comparative example 4
The dosage of PETG resins is 60 parts by weight as different from Example 1, remaining raw material dosage and preparation method are equal
It is same as Example 1.
Comparative example 5
The dosage of PBT resin is 20 parts by weight as different from Example 1, remaining raw material dosage and preparation method with
Embodiment 1 is identical.
Comparative example 6
The dosage of PBT resin is 60 parts by weight as different from Example 1, remaining raw material dosage and preparation method with
Embodiment 1 is identical.
Comparative example 7
The dosage of glass fibre is 20 parts by weight as different from Example 1, remaining raw material dosage and preparation method are equal
It is same as Example 1.
Comparative example 8
The dosage of glass fibre is 60 parts by weight as different from Example 1, remaining raw material dosage and preparation method are equal
It is same as Example 1.
Power is carried out to the PBT/PETG alloy nanos injection molding composite material that embodiment 1-5 and comparative example 1-8 are prepared
It is as shown in table 1 to learn performance test, thermal property test, dielectric properties test and metallic cohesion test, test result.
Table 1
Can be seen that PBT/PETG alloy nanos injection molding composite material of the present invention from the data of table 1 has well
Mechanical performance, heat resistance, chemical resistance and processability, and with relatively low dielectric constant, relatively low dielectric loss
The factor.
The PBT/PETG alloy nanos injection molding composite material of the present invention can ensure excellent metal cohesive force in application,
And after the harsh process of the multiple tracks such as back segment CNC machinings, sandblasting, strong acid, highly basic, washing, anodic oxidation, material surface
Do not occur being corroded or the bad phenomenon of serious discoloration, be suitable for the preparation of dielectric materials or electric equipment products, tool
Have broad application prospects.
The present invention illustrates the PBT/PETG alloy nanos injection molding composite material of the present invention and its system by above-described embodiment
Preparation Method and application, but the invention is not limited in above-described embodiment, that is, do not mean that the present invention has to rely on above-described embodiment
It could implement.Person of ordinary skill in the field is it will be clearly understood that any improvement in the present invention, to each raw material of product of the present invention
Equivalence replacement and the addition of auxiliary element, the selection of concrete mode etc., all fall within protection scope of the present invention and the open scope
Within.
Claims (10)
1. a kind of PBT/PETG alloy nanos injection molding composite material, which is characterized in that the PBT/PETG alloy nanos injection is multiple
The raw material for preparing of condensation material includes the component of following parts by weight：
2. PBT/PETG alloy nanos injection molding composite material according to claim 1, which is characterized in that the PBT resin
Weight ratio with PETG resins is 1:1.
3. PBT/PETG alloy nanos injection molding composite material according to claim 1 or 2, which is characterized in that the antioxygen
Agent is antioxidant 1010 and/or irgasfos 168.
4. PBT/PETG alloy nanos injection molding composite material according to any one of claim 1-3, which is characterized in that institute
Lubricant is stated as any one in lubricant TAF, lubricant PETS or Lubricate EBS or at least two combination.
5. the PBT/PETG alloy nano injection molding composite materials according to any one of claim 1-4, which is characterized in that institute
Anti- UV agent is stated as ultraviolet absorbent UV-531 and/or ultra-violet absorber VSU.
6. the PBT/PETG alloy nano injection molding composite materials according to any one of claim 1-5, which is characterized in that institute
It states compatilizer and is grafted POE and/or maleic anhydride inoculated polypropylene for maleic anhydride.
7. the preparation method of the PBT/PETG alloy nano injection molding composite materials according to any one of claim 1-6,
It is characterized in that, the preparation method comprises the following steps：
(1) PBT resin, PETG resins and antioxidant, lubricant, anti-UV agent and compatilizer are uniformly mixed；
(2) mixture that step (1) obtains is blended using extruder, squeezes out, obtain melt blended material；Then add
Glass fibre, shearing, engagement, obtains PBT/PETG alloy nano injection molding composite materials.
8. preparation method according to claim 7, which is characterized in that the temperature of the extrusion is 200-250 DEG C.
9. the preparation method according to claim 7 or 8, which is characterized in that the extruder is double screw extruder；
Preferably, the engine speed of the double screw extruder is 300-400rpm/min, and feeding rotating speed is 10-30rpm/min.
10. the PBT/PETG alloy nanos injection molding composite material according to any one of claim 1-6 is preparing low dielectric
Application in material or electric equipment products preparation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015370.0A CN108102311A (en) | 2018-01-08 | 2018-01-08 | A kind of low dielectric PBT/PETG alloy nano injection molding composite materials and its preparation method and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810015370.0A CN108102311A (en) | 2018-01-08 | 2018-01-08 | A kind of low dielectric PBT/PETG alloy nano injection molding composite materials and its preparation method and application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995844A (en) * | 2020-09-07 | 2020-11-27 | 黎明职业大学 | Heat-conducting and insulating PBT/PETG composite material and preparation method thereof |
| CN112341770A (en) * | 2020-11-17 | 2021-02-09 | 银金达(上海)新材料有限公司 | Environment-friendly high-flame-retardant PETG sheet and preparation method thereof |
| CN112646326A (en) * | 2019-10-12 | 2021-04-13 | 中国石油化工股份有限公司 | Preparation method of lightweight low-dielectric-constant PBT copolyester master batch and polyester film |
| CN112831162A (en) * | 2021-01-20 | 2021-05-25 | 银金达(上海)新材料有限公司 | Weather-resistant and corrosion-resistant PETG (polyethylene terephthalate glycol) sheet material and preparation method thereof |
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| JP2002249652A (en) * | 2001-02-27 | 2002-09-06 | Mitsubishi Plastics Ind Ltd | Sheet for card |
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| CN112831162A (en) * | 2021-01-20 | 2021-05-25 | 银金达(上海)新材料有限公司 | Weather-resistant and corrosion-resistant PETG (polyethylene terephthalate glycol) sheet material and preparation method thereof |
| CN112831162B (en) * | 2021-01-20 | 2022-06-28 | 银金达(上海)新材料有限公司 | Weather-resistant and corrosion-resistant PETG (polyethylene terephthalate glycol) plate and preparation method thereof |
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