CN108976723A - A kind of PBT composite and preparation method thereof - Google Patents
A kind of PBT composite and preparation method thereof Download PDFInfo
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- CN108976723A CN108976723A CN201810639350.0A CN201810639350A CN108976723A CN 108976723 A CN108976723 A CN 108976723A CN 201810639350 A CN201810639350 A CN 201810639350A CN 108976723 A CN108976723 A CN 108976723A
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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
- C08L2201/04—Antistatic
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
Abstract
The present invention relates to a kind of PBT composites and preparation method thereof, 80 parts -100 parts of PBT, 2 parts of -4 parts of Zeomic, 6 parts of -8 parts of modified fullerenes, 0.1 part of -0.3 part of SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant is weighed to be mixed and stirred for uniformly, obtain mixture, and by extruding pelletization in extruder to get arriving PBT composite.The effect of modified fullerenes mainly has, the SiO of cladding2The nucleating agent that can be used as PBT promotes the heterogeneous nucleation of PBT, improves the crystalline rate and crystallinity of PBT, promotes the mechanical property of PBT；Fullerene can promote the antistatic property of PBT.The modified fullerenes of this clad structure favorable dispersibility in PBT composite, is not susceptible to agglomeration.
Description
Technical field
The invention belongs to technical field of polymer materials, a kind of PBT composite and preparation method thereof is particularly related to.
Background technique
Polybutylene terephthalate (PBT) (PBT) is a kind of widely applied macromolecule polyester resin, and PBT has good
The advantages that fatigue durability, preferable heat resistance, excellent dimensional stability, but its antistatic property, anti-microbial property are general.
In some specific application fields, there is the requirement of antistatic property, anti-microbial property to PBT, common PBT composite is unable to satisfy
It is required that.
In response to this, inventor passes through the effort of many years, and a kind of PBT composite has been made, its anti-microbial property,
Antistatic property, mechanical property are all very excellent, and this material not yet sees report so far, this is for extension PBT composite
Using with very important realistic meaning.
Summary of the invention
The object of the present invention is to provide a kind of PBT composite and preparation method thereof, to solve the anti-of PBT in the prior art
Antistatic property and the not high problem of anti-microbial property.
The present invention is achieved by the following technical solutions:
A kind of PBT composite, composed of the following components by weight:
The modified fullerenes are SiO2The fullerene of cladding.
The modified fullerenes, specific preparation process is as follows:
(1) a certain amount of glycol monoethyl ether, isopropyl silicate, deionized water are weighed；
(2) glycol monoethyl ether and isopropyl silicate are added in deionized water and are mixed, then in 60-80 DEG C of environment
Lower reaction 4-6h, obtains solution A；
(3) fullerene is added into solution A, then adjusts solution PH=7 with NaOH solution, is reacted under 80-100 DEG C of environment
2-4h obtains solution B；
(4) by solution B through centrifugal filtration, washing, dry SiO2The fullerene of cladding.
The mass ratio of glycol monoethyl ether, isopropyl silicate, deionized water in step (1) is (10-16): (20-24):
(180-240)。
The mass ratio of fullerene, solution A in step (3) is (10-16): (120-160).
The antibacterial agent is inorganic series antibacterial agent Zeomic.
The compatilizer is SEBS-g-MAH.
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites, four [β-(3,5- di-tert-butyl-hydroxy phenyl)
Propionic acid] pentaerythritol ester or 1,3,5- trimethyls -2,4, one of 6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene or several
The mixing of kind.
The preparation method of any of the above-described PBT composite, comprising the following steps:
(1) 80 parts -100 parts of PBT, 2 parts of -4 parts of Zeomic, 6 parts of -8 parts of modified fullerenes, 0.1 part -0.3 part are weighed
SEBS-g-MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite.
The step (2) specifically:
Mixture obtained in step (1) is put into the hopper of double screw extruder extruding pelletization to get multiple to PBT
Condensation material, wherein the double screw extruder includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, 2nd area
240~260 DEG C of temperature, three 240~260 DEG C of area's temperature, four 240~260 DEG C of area's temperature, five 240~260 DEG C of area's temperature, 6th area
240~260 DEG C of temperature, 240~260 DEG C of head temperature, 200~280r/min of screw speed.
The beneficial effects of the present invention are:
1, the addition of antibacterial agent Zeomic improves the anti-microbial property of PBT composite.
2, the effect of modified fullerenes mainly has: the SiO 1. coated2The nucleating agent that can be used as PBT, promotes that PBT's is different
It is mutually nucleated, improves the crystalline rate and crystallinity of PBT, promote the mechanical property of PBT；2. fullerene can promote the anti-of PBT
Antistatic property.3. the modified fullerenes of this clad structure favorable dispersibility in PBT composite is not susceptible to reunite existing
As.
Specific embodiment
Carry out the technical solution that the present invention will be described in detail by the following examples, embodiment below is merely exemplary, only
It can be used to explanation and illustration technical solution of the present invention, and be not to be construed as the limitation to technical solution of the present invention.
Raw material used in the following embodiment of the application is as follows:
PBT (model 2002U), Polyplastics；Antibacterial agent (model Zeomic), day this product river company；Fullerene, Puyang
Fullerene Science and Technology Ltd. of Yongxin；SEBS-g-MAH, Suzhou Asia match plasticizing Co., Ltd；Antioxidant (model Irganox168,
Irganox1010, Irganox1330), Switzerland's Ciba.
Test equipment used in the following embodiment of the application is as follows:
ZSK30 type double screw extruder, German W&P company；JL-1000 type tensile testing machine, the wide just experiment instrument in Guangzhou
The production of device company；HTL900-T-5B type injection (mo(u)lding) machine, the production of Hai Tai plastics machinery Co., Ltd；XCJ-500 type shock-testing
Machine, the production of Chengde testing machine factory；QT-1196 type tester for elongation, Dongguan City Gao Tai detecting instrument Co., Ltd；QD-GJS-
B12K type high-speed mixer, Beijing perseverance Order instrument and meter Co., Ltd.
The modified fullerenes of the application are SiO2The fullerene of cladding.
The modified fullerenes, specific preparation process is as follows:
(1) a certain amount of glycol monoethyl ether, isopropyl silicate, deionized water are weighed；
(2) glycol monoethyl ether and isopropyl silicate are added in deionized water and are mixed, then in 60-80 DEG C of environment
Lower reaction 4-6h, obtains solution A；
(3) fullerene is added into solution A, then adjusts solution PH=7 with NaOH solution, is reacted under 80-100 DEG C of environment
2-4h obtains solution B；
(4) by solution B through centrifugal filtration, washing, dry SiO2The fullerene of cladding.
The mass ratio of glycol monoethyl ether, isopropyl silicate, deionized water in step (1) is (10-16): (20-24):
(180-240)。
The mass ratio of fullerene, solution A in step (3) is (10-16): (120-160).
The antioxidant is three (2,4- di-t-butyl) phenyl-phosphites (abbreviation of BASF AG
Irganox168), four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters (abbreviation
Irganox1010) or 1,3,5- trimethyls -2,4,6- (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene is (referred to as
One or more of) Irganox1330 mixing.
Embodiment 1
(1) 80 parts of PBT, 2 parts of Zeomic, 6 parts of modified fullerenes, 0.1 part of SEBS-g-MAH, 0.1 part are weighed
Irganox168 is mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite P1.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 200 DEG C of area's temperature, two 240 DEG C of area's temperature,
Three 240 DEG C of area's temperature, four 240 DEG C of area's temperature, five 240 DEG C of area's temperature, six 240 DEG C of area's temperature, 240 DEG C of head temperature, screw rod turns
Fast 200r/min.
Embodiment 2
(1) 100 parts of PBT, 4 parts of Zeomic, 8 parts of modified fullerenes, 0.3 part of SEBS-g-MAH, 0.1 part are weighed
Irganox168,0.2 part of Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite P2.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 220 DEG C of area's temperature, two 260 DEG C of area's temperature,
Three 260 DEG C of area's temperature, four 260 DEG C of area's temperature, five 260 DEG C of area's temperature, six 260 DEG C of area's temperature, 260 DEG C of head temperature, screw rod turns
Fast 280r/min.
Embodiment 3
(1) 90 parts of PBT, 3 parts of Zeomic, 7 parts of modified fullerenes, 0.2 part of SEBS-g-MAH, 0.1 part are weighed
Irganox168,0.2 part of Irganox1010 are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite P3.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 210 DEG C of area's temperature, two 250 DEG C of area's temperature,
Three 250 DEG C of area's temperature, four 250 DEG C of area's temperature, five 250 DEG C of area's temperature, six 250 DEG C of area's temperature, 250 DEG C of head temperature, screw rod turns
Fast 240r/min.
Embodiment 4
(1) 85 parts of PBT, 3 parts of Zeomic, 8 parts of modified fullerenes, 0.3 part of SEBS-g-MAH, 0.1 part are weighed
Irganox1010,0.2 part of Irganox1330 are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite P4.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 205 DEG C of area's temperature, two 245 DEG C of area's temperature,
Three 245 DEG C of area's temperature, four 245 DEG C of area's temperature, five 245 DEG C of area's temperature, six 245 DEG C of area's temperature, 245 DEG C of head temperature, screw rod turns
Fast 230r/min.
Embodiment 5
(1) 95 parts of PBT, 4 parts of Zeomic, 7 parts of modified fullerenes, 0.1 part of SEBS-g-MAH, 0.1 part are weighed
Irganox1010,0.1 part of Irganox168 are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite P5.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 205 DEG C of area's temperature, two 255 DEG C of area's temperature,
Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature, screw rod turns
Fast 245r/min.
Comparative example 1
(1) 80 parts of PBT, 0.1 part of Irganox1010,0.2 part of Irganox168 is weighed to be mixed and stirred for uniformly, being mixed
Close material；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite D1.
Wherein each area's temperature of double screw extruder and screw speed are respectively as follows: 205 DEG C of area's temperature, two 255 DEG C of area's temperature,
Three 255 DEG C of area's temperature, four 255 DEG C of area's temperature, five 255 DEG C of area's temperature, six 255 DEG C of area's temperature, 255 DEG C of head temperature, screw rod turns
Fast 245r/min.
Batten test is made with injection molding machine in PBT composite prepared by above-described embodiment 1-5 and comparative example 1, tests number
According to being as follows:
It can also be seen that the anti-microbial property of embodiment 1-5, antistatic property, mechanical property will be better than comparative example from table
1.This application field for extending PBT composite, has very important significance.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And deformation, the scope of the present invention are extremely equally limited by appended claims.
Claims (9)
1. a kind of PBT composite, which is characterized in that composed of the following components by weight:
The modified fullerenes are SiO2The fullerene of cladding.
2. PBT composite according to claim 1, which is characterized in that the modified fullerenes, specific preparation step is such as
Under:
(1) a certain amount of glycol monoethyl ether, isopropyl silicate, deionized water are weighed；
(2) glycol monoethyl ether and isopropyl silicate are added in deionized water and are mixed, it is then anti-under 60-80 DEG C of environment
4-6h is answered, solution A is obtained；
(3) fullerene is added into solution A, then adjusts solution PH=7 with NaOH solution, reacts 2- under 80-100 DEG C of environment
4h obtains solution B；
(4) by solution B through centrifugal filtration, washing, dry SiO2The fullerene of cladding.
3. PBT composite according to claim 2, which is characterized in that glycol monoethyl ether, silicic acid in step (1)
Isopropyl ester, deionized water mass ratio be (10-16): (20-24): (180-240).
4. PBT composite according to claim 2, which is characterized in that the quality of fullerene, solution A in step (3)
Than for (10-16): (120-160).
5. PBT composite according to claim 1, which is characterized in that the antibacterial agent is inorganic series antibacterial agent
Zeomic。
6. PBT composite according to claim 1, which is characterized in that the compatilizer is SEBS-g-MAH.
7. PBT composite according to claim 1, which is characterized in that the antioxidant is three (2,4- di-t-butyls)
Phenyl-phosphite, four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters or 1,3,5- trimethyls -2,4,6-
The mixing of one or more of (3,5- di-t-butyl -4- hydroxyphenylmethyl) benzene.
8. the preparation method of any one of the claims 1 to 7 PBT composite, which comprises the following steps:
(1) 80 parts -100 parts of PBT, 2 parts of -4 parts of Zeomic, 6 parts of -8 parts of modified fullerenes, 0.1 part of -0.3 part of SEBS-g- are weighed
MAH, 0.1 part of -0.5 part of antioxidant are mixed and stirred for uniformly, obtaining mixture；
(2) by mixture obtained in step (1) from extruder extruding pelletization to get to PBT composite.
9. the preparation method of PBT composite according to claim 8, which is characterized in that the step (2) specifically:
Mixture obtained in step (1) is put into the hopper of double screw extruder extruding pelletization to get to PBT composite wood
Material, wherein the double screw extruder includes six humidity provinces sequentially arranged, 200~220 DEG C of area's temperature, two area's temperature
240~260 DEG C, three 240~260 DEG C of area's temperature, four 240~260 DEG C of area's temperature, five 240~260 DEG C of area's temperature, six area's temperature
240~260 DEG C, 240~260 DEG C of head temperature, 200~280r/min of screw speed.
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| CN201810639350.0A CN108976723A (en) | 2018-06-20 | 2018-06-20 | A kind of PBT composite and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109679302A (en) * | 2018-12-19 | 2019-04-26 | 中广核俊尔新材料有限公司 | A kind of water-fastness PBT zipper material of high-modulus and its application |
| CN113527846A (en) * | 2021-07-12 | 2021-10-22 | 江阴爱科森博顿聚合体有限公司 | Modified PBT material and preparation method thereof |
| CN115322440A (en) * | 2022-08-22 | 2022-11-11 | 山东海科创新研究院有限公司 | Antibacterial and antistatic filler, antibacterial and antistatic ABS composite material and preparation method thereof |
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| CN102964786A (en) * | 2012-12-18 | 2013-03-13 | 南京大学 | Preparation method of hydroxyfullerene modified PET (polyethylene terephthalate) material |
| CN103289337A (en) * | 2013-06-24 | 2013-09-11 | 苏州新区佳合塑胶有限公司 | Antistatic antibacterial PET master batch and preparation method thereof |
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| CN109679302A (en) * | 2018-12-19 | 2019-04-26 | 中广核俊尔新材料有限公司 | A kind of water-fastness PBT zipper material of high-modulus and its application |
| CN113527846A (en) * | 2021-07-12 | 2021-10-22 | 江阴爱科森博顿聚合体有限公司 | Modified PBT material and preparation method thereof |
| CN115322440A (en) * | 2022-08-22 | 2022-11-11 | 山东海科创新研究院有限公司 | Antibacterial and antistatic filler, antibacterial and antistatic ABS composite material and preparation method thereof |
| CN115322440B (en) * | 2022-08-22 | 2023-10-24 | 山东海科创新研究院有限公司 | Antibacterial antistatic filler, antibacterial antistatic ABS composite material and preparation method thereof |
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