CN109721969A - A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof - Google Patents
A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof Download PDFInfo
- Publication number
- CN109721969A CN109721969A CN201811625013.2A CN201811625013A CN109721969A CN 109721969 A CN109721969 A CN 109721969A CN 201811625013 A CN201811625013 A CN 201811625013A CN 109721969 A CN109721969 A CN 109721969A
- Authority
- CN
- China
- Prior art keywords
- ultra
- temperature impact
- parts
- toughness low
- pbt material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention discloses a kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof, is prepared from the following parts by weight of the components: 60-90 parts of PBT resin, 1-6 parts of compatilizer, 5-20 parts of toughener, 0.2-1 parts of antioxidant, 0.3-0.6 parts of lubricant, 0.1-0.5 parts of sodium dihydrogen phosphate.The preparation method comprises the following steps: high mixer high speed, which is added, in PBT resin, compatilizer, toughener, antioxidant, lubricant and sodium dihydrogen phosphate according to the ratio mixes 2-4min, obtain mixture, mixture is put into parallel double-screw extruder and is melted, extruding pelletization obtains ultra-toughness low-temperature impact-resistant PBT material.After PBT resin, toughener, compatilizer are carried out compound blending by the present invention, the toughness and crystal property of alloy material are improved, so that the intermolecular structure of alloy is more compact, to improve the chemical-resistance and mechanical strength of alloy material.
Description
Technical field
The invention belongs to technical field of polymer materials, specifically a kind of ultra-toughness low-temperature impact-resistant PBT material and its preparation
Method.
Background technique
PBT is crystal type thermoplastic resin, and crystalline rate is fast, can crystallize rapidly at a lower temperature, be conducive to form
Processing.The creep resistance of PBT is excellent, and mechanical property is influenced by temperature smaller, and excellent size stability under high temperature can be used for
The structural fabrication of high temperature stress.PBT belongs to esters polymer, and oil resistivity is good, to alcohols, ethers, high molecular weight esters, aliphatic hydrocarbon
Deng stabilization, there is very strong stress cracking resistance to organic solvent, processability is excellent, and thin-wall precise product, product table can be processed
Also there is preferable gloss in face.
Toughening polybutylene terephthalate (PBT) had not only remained the processing fluidity of PBT, but the dimensional stability having and
High tenacity is used widely in fields such as electronic apparatus, automobile interior exterior decorations.Since PBT is polyester macromolecule material, molecule
Contain ester bond in chain, in the presence of chemicals, it is easy to ester exchange reaction occur, especially PBT is remaining organic when synthesizing
Titanium catalyst aggravates the degradation of PBT, and with the extension of heated time, randomized response is constantly carried out, the crystal property of PBT
It destroys, causes the decomposition rate of material to be accelerated, the toughness properties of product drastically reduce.
Summary of the invention
The purpose of the present invention is to provide a kind of ultra-toughness low-temperature impact-resistant PBT materials and preparation method thereof, it has excellent
Chemical-resistance；Take into account high tenacity and high-intensitive feature.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
Further scheme, the viscosity of the PBT resin are 1.2-1.3Pas.
Further scheme, the compatilizer are total for the random ternary of ethylene-methyl acrylate-glyceryl methacrylate
Polymers.
Further scheme, the antioxidant are selected from antioxidant 1076 and/or irgasfos 168.
Further scheme, the lubricant are selected from pentaerythritol stearate, polyethylene wax, acidification polyethylene wax, poly- silicon
At least one of oxygen alkane, stearic amide, preferably pentaerythritol stearate.Lubricant can reduce each in alloy material
Frictional force between raw material reduces the difficulty of alloy material machine-shaping.
Further scheme, the toughener are at least one of MBS, SOG, PTW, AX8900.
Another goal of the invention of the invention is to provide the preparation method of above-mentioned ultra-toughness low-temperature impact-resistant PBT material, wrap
It includes following steps: high mixer is added in PBT resin, compatilizer, toughener, antioxidant, lubricant and sodium dihydrogen phosphate according to the ratio
High speed mixes 2-4min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, extruding pelletization obtains ultra-toughness
Low-temperature impact-resistant PBT material.
Further scheme, the barrel temperature of the extruder are 240-250 DEG C, screw speed 300-400r/min, are melted
Body pressure is 1.5-2.5MPa；Vacuum degree is -0.04~-0.1MPa.
Compatilizer can improve toughener and the phase interface form of PBT, improve the microstructure of phase region, reach physical compatibility
Purpose, in addition, in the present invention can also by be added compatilizer in active group can be between compatilizer and PBT resin
It reacts and is reacted between the active group (such as terminal hydroxy group, carboxyl end group) generated, couple the strand of alloy resin again, make
Alloy keeps higher molecular weight, to guarantee that material has good physical mechanical property and chemical-resistance.Under optimum condition,
The compatilizer is ethylene-methyl acrylate-glyceryl methacrylate random terpolymer.
Beneficial effects of the present invention:
After the present invention is by carrying out compound blending for PBT resin, toughener, compatilizer, the crystal property of material is improved,
So that the intermolecular structure of alloy is more compact, to improve the chemical-resistance and mechanical strength of alloy material.
Ultra-toughness low-temperature impact-resistant PBT material of the invention can be prepared using double screw extruder, preparation method letter
It is single, it is easily controllable, it is easy to industrialization large-scale production, has broad application prospects.
Specific embodiment
Present invention is further described in detail combined with specific embodiments below.
The viscosity of PBT resin is 1.2-1.3Pas in following embodiment 1-4；The viscosity of PBT resin is in comparative example 1
0.95-1.05Pa·s。
Embodiment 1
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
The preparation method of the ultra-toughness low-temperature impact-resistant PBT material, steps are as follows:
By PBT resin, GMA, toughener, antioxidant 1076, irgasfos 168, pentaerythritol stearate and biphosphate
Sodium is added high mixer high speed and mixes 3min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, described
The barrel temperature of extruder is 245 DEG C, screw speed 350r/min, melt pressure 2MPa；Vacuum degree is -0.08MPa；It squeezes
It is granulated to obtain ultra-toughness low-temperature impact-resistant PBT material out.
Embodiment 2
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
The preparation method of the ultra-toughness low-temperature impact-resistant PBT material, steps are as follows:
PBT resin, GMA, toughener, antioxidant 1076, irgasfos 168, stearic amide and sodium dihydrogen phosphate are added
High mixer high speed mixes 2min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, the extruder
Barrel temperature be 240 DEG C, screw speed 300r/min, melt pressure 1.5MPa；Vacuum degree is -0.04MPa；Extrusion is made
Grain obtains ultra-toughness low-temperature impact-resistant PBT material.
Embodiment 3
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
The preparation method of the ultra-toughness low-temperature impact-resistant PBT material, steps are as follows:
By PBT resin, GMA, toughener, antioxidant 1076, irgasfos 168, pentaerythritol stearate and biphosphate
Sodium is added high mixer high speed and mixes 4min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, described
The barrel temperature of extruder is 250 DEG C, screw speed 400r/min, melt pressure 2.5MPa；Vacuum degree is -0.1MPa；
Extruding pelletization obtains ultra-toughness low-temperature impact-resistant PBT material.
Embodiment 4
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
The preparation method of the ultra-toughness low-temperature impact-resistant PBT material, steps are as follows:
By PBT resin, GMA, toughener, antioxidant 1076, irgasfos 168, pentaerythritol stearate and biphosphate
Sodium is added high mixer high speed and mixes 4min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, described
The barrel temperature of extruder is 240 DEG C, screw speed 400r/min, melt pressure 2.5MPa；Vacuum degree is -0.06MPa；
Extruding pelletization obtains ultra-toughness low-temperature impact-resistant PBT material.
Comparative example 1
Comparative example 1 is with 1 difference of embodiment: the viscosity of PBT resin is 0.95-1.05Pas.
A kind of ultra-toughness low-temperature impact-resistant PBT material, is prepared from the following parts by weight of the components:
The preparation method of the ultra-toughness low-temperature impact-resistant PBT material, steps are as follows:
By PBT resin, GMA, toughener, antioxidant 1076, irgasfos 168, pentaerythritol stearate and biphosphate
Sodium is added high mixer high speed and mixes 2min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, described
The barrel temperature of extruder is 245 DEG C, screw speed 350r/min, melt pressure 2MPa；Vacuum degree is -0.08MPa；It squeezes
It is granulated to obtain ultra-toughness low-temperature impact-resistant PBT material out.
Test: embodiment 1-4 and the PBT alloy material of comparative example 1 are rushed according to the method test room temperature notch of ISO 180
Hit intensity and -40 DEG C of low-temperature impact notch impact strengths, the results are shown in Table 1.
Table 1: the performance indicator of embodiment 1-4 and comparative example 1PBT alloy material
Summarize: by embodiment 1 and comparative example 1 it can be found that resin viscosity is higher, the impact of corresponding product is higher.
Compatilizer of the present invention can improve toughener and the phase interface form of PBT, improve the microstructure of phase region, reach object
Manage compatible purpose, in addition, in the present invention can also by be added compatilizer in active group can be with compatilizer and PBT tree
It reacts between rouge and is reacted between the active group (such as terminal hydroxy group, carboxyl end group) of generation, make the strand of alloy resin again
Coupling makes alloy keep higher molecular weight, to guarantee that material has good physical mechanical property and chemical-resistance.It is preferred that
Under the conditions of, the compatilizer is ethylene-methyl acrylate-glyceryl methacrylate random terpolymer.
This hair can be understood and applied the above description of the embodiments is intended to facilitate those skilled in the art
It is bright.Person skilled in the art obviously easily can make various modifications to case study on implementation, and described herein one
As principle be applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to implementation cases here
Example, those skilled in the art's announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be
Within protection scope of the present invention.
Claims (8)
1. a kind of ultra-toughness low-temperature impact-resistant PBT material, it is characterised in that: be prepared from the following parts by weight of the components:
60-90 parts of PBT resin；
1-6 parts of compatilizer；
5-20 parts of toughener；
0.2-1 parts of antioxidant；
0.3-0.6 parts of lubricant；
0.1-0.5 parts of sodium dihydrogen phosphate.
2. ultra-toughness low-temperature impact-resistant PBT material according to claim 1, it is characterised in that: the viscosity of the PBT resin is
1.2-1.3Pa·s。
3. ultra-toughness low-temperature impact-resistant PBT material according to claim 1, it is characterised in that: the compatilizer is ethylene-the third
E pioic acid methyl ester-glycidyl methacrylate random terpolymer.
4. ultra-toughness low-temperature impact-resistant PBT material according to claim 1, it is characterised in that: the antioxidant is selected from antioxygen
Agent 1076 and/or irgasfos 168.
5. ultra-toughness low-temperature impact-resistant PBT material according to claim 1, it is characterised in that: the lubricant is selected from season penta
At least one of tetrol stearate, polyethylene wax, acidification polyethylene wax, polysiloxanes, stearic amide.
6. ultra-toughness low-temperature impact-resistant PBT material according to claim 1, it is characterised in that: the toughener be MBS,
At least one of SOG, PTW, AX8900.
7. the preparation method of ultra-toughness low-temperature impact-resistant PBT material as claimed in any one of claims 1 to 6, it is characterised in that: packet
It includes following steps: high mixer is added in PBT resin, compatilizer, toughener, antioxidant, lubricant and sodium dihydrogen phosphate according to the ratio
High speed mixes 2-4min, obtains mixture, and mixture is put into parallel double-screw extruder and is melted, extruding pelletization obtains ultra-toughness
Low-temperature impact-resistant PBT material.
8. the preparation method of ultra-toughness low-temperature impact-resistant PBT material according to claim 7, it is characterised in that: the extrusion
The barrel temperature of machine is 240-250 DEG C, screw speed 300-400r/min, melt pressure 1.5-2.5MPa；Vacuum degree be-
0.04~-0.1MPa。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625013.2A CN109721969A (en) | 2018-12-28 | 2018-12-28 | A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811625013.2A CN109721969A (en) | 2018-12-28 | 2018-12-28 | A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109721969A true CN109721969A (en) | 2019-05-07 |
Family
ID=66297600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811625013.2A Pending CN109721969A (en) | 2018-12-28 | 2018-12-28 | A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109721969A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724618A (en) * | 2020-12-29 | 2021-04-30 | 金旸（厦门）新材料科技有限公司 | Low-cost halogen-free flame-retardant reinforced PBT (polybutylene terephthalate) material and preparation method thereof |
| CN114716795A (en) * | 2022-03-30 | 2022-07-08 | 金发科技股份有限公司 | High-toughness polyester composition and preparation method and application thereof |
| CN115181400A (en) * | 2021-04-07 | 2022-10-14 | 无锡典聚科技有限公司 | Ultralow temperature resistant PBT material |
| CN115418087A (en) * | 2022-10-18 | 2022-12-02 | 江苏松上科技有限公司 | PBT composition with high mechanical property and production method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284932A (en) * | 2008-05-21 | 2008-10-15 | 深圳市科聚新材料有限公司 | PBT/ABS alloy material and method for preparing same |
| CN102002215A (en) * | 2010-10-25 | 2011-04-06 | 余姚市凡伟工程塑料有限公司 | Toughened PBT (Polybutylene Terephthalate) engineering plastic and preparation method thereof |
| CN103450642A (en) * | 2013-08-07 | 2013-12-18 | 上海日之升新技术发展有限公司 | High-strength carbon-fiber-reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN104231575A (en) * | 2014-09-29 | 2014-12-24 | 济南泰星精细化工有限公司 | Halogen-free and phosphorus-free PBT enhanced composite material and preparation method thereof |
-
2018
- 2018-12-28 CN CN201811625013.2A patent/CN109721969A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101284932A (en) * | 2008-05-21 | 2008-10-15 | 深圳市科聚新材料有限公司 | PBT/ABS alloy material and method for preparing same |
| CN102002215A (en) * | 2010-10-25 | 2011-04-06 | 余姚市凡伟工程塑料有限公司 | Toughened PBT (Polybutylene Terephthalate) engineering plastic and preparation method thereof |
| CN103450642A (en) * | 2013-08-07 | 2013-12-18 | 上海日之升新技术发展有限公司 | High-strength carbon-fiber-reinforced halogen-free flame-retardant PBT (polybutylene terephthalate) composite material and preparation method thereof |
| CN104231575A (en) * | 2014-09-29 | 2014-12-24 | 济南泰星精细化工有限公司 | Halogen-free and phosphorus-free PBT enhanced composite material and preparation method thereof |
Non-Patent Citations (5)
| Title |
|---|
| 上海铁道学院: "《合成材料》", 31 October 1986 * |
| 国家标准: "《HG/T 2364-1992》", 31 December 1992 * |
| 李国华: "《建筑材料》", 30 September 2013 * |
| 郑俊民: "《药用高分子材料学》", 30 April 1993 * |
| 雷文: "《材料物理实验教程》", 28 February 2018 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112724618A (en) * | 2020-12-29 | 2021-04-30 | 金旸（厦门）新材料科技有限公司 | Low-cost halogen-free flame-retardant reinforced PBT (polybutylene terephthalate) material and preparation method thereof |
| CN115181400A (en) * | 2021-04-07 | 2022-10-14 | 无锡典聚科技有限公司 | Ultralow temperature resistant PBT material |
| CN114716795A (en) * | 2022-03-30 | 2022-07-08 | 金发科技股份有限公司 | High-toughness polyester composition and preparation method and application thereof |
| CN115418087A (en) * | 2022-10-18 | 2022-12-02 | 江苏松上科技有限公司 | PBT composition with high mechanical property and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109721969A (en) | A kind of ultra-toughness low-temperature impact-resistant PBT material and preparation method thereof | |
| CN109438874A (en) | A kind of high-strength and high ductility polyvinyl chloride injection moulding composition and preparation method thereof | |
| CN101362852B (en) | Method for preparing polybutylene terephthalate/ethylene-vinyl acetate compound material | |
| CN101747600B (en) | Method for preparing polyethylene terephthalate (PET) blend | |
| CN111205604B (en) | Ultrathin high-strength high-toughness biodegradable mulch film material, film, preparation method and application | |
| CN105860316B (en) | Improve the ASA resin composition and preparation method thereof of low-temperature impact toughness | |
| CN105585831A (en) | Polycarbonate/polybutylene terephthalate alloy material as well as preparation method and application thereof | |
| CN108034204A (en) | A kind of low-temperature impact-resistant polymer blend and preparation method thereof | |
| CN111117193A (en) | Anti-cracking high-heat-resistance polycarbonate material and preparation method thereof | |
| CN102108181A (en) | Thermoplastic alloy and preparation method thereof | |
| CN104927335A (en) | High-tenacity high-heat-resistant PC/PBT resin combination and preparing method thereof | |
| CN109651783A (en) | A kind of fretting map natural fibre reinforced polylactic acid composite material and preparation method thereof | |
| CN108192316A (en) | High fluidity high tenacity polycarbonate/polyethylene terephthalate alloy and preparation method thereof | |
| CN105385121A (en) | Polyester composition used for nanometer injection molding and preparing method thereof | |
| CN106317807B (en) | A kind of high-fluidity polyester engineering plastics and preparation method thereof for NMT technology | |
| CN106046715A (en) | Polyester engineering plastics for NMT technique and preparation method of polyester engineering plastics | |
| CN111675903B (en) | PPS composite material with ultrahigh elongation at break and preparation method thereof | |
| CN113461930A (en) | Anhydride and epoxy macromolecule chain-extending tackifier and preparation method and application thereof | |
| CN106939112B (en) | High-gloss HIPS/recycled PET bottle flake composite material and preparation method thereof | |
| CN109796740B (en) | Stain-resistant PC/PET alloy and preparation method thereof | |
| CN106084715A (en) | Scratch-resistant transparent PC resin combination and preparation method thereof | |
| CN109486135A (en) | One kind can be used in, the molding high performance PE T composite material and preparation method of low mould temperature rapid crystallization | |
| CN109486129A (en) | PHA modified PPC/PBAT biodegradable resin and preparation method thereof | |
| CN111040412B (en) | Polycarbonate/polypropylene alloy material and preparation method and application thereof | |
| CN103613853A (en) | Transparent glass fiber reinforced polypropylene (PP) composite material and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190507 |
|
| RJ01 | Rejection of invention patent application after publication |