CN107177174B - A kind of resistance to gasoline cleans the preparation of PBT material - Google Patents
A kind of resistance to gasoline cleans the preparation of PBT material Download PDFInfo
- Publication number
- CN107177174B CN107177174B CN201710469115.9A CN201710469115A CN107177174B CN 107177174 B CN107177174 B CN 107177174B CN 201710469115 A CN201710469115 A CN 201710469115A CN 107177174 B CN107177174 B CN 107177174B
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- pbt
- gasoline
- resistance
- pbt material
- cleaned
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
A kind of resistance to gasoline scouring PBT material, which is characterized in that it is formed in parts by mass are as follows: PBT resin 64 ~ 82.9；Epoxy resin 15 ~ 25；Polyvinyl alcohol 1.0 ~ 5.0；Toughener 0.5 ~ 3.0；Antioxidant 0.2 ~ 1.0；PETS0.2~0.5；Coupling agent 0.2 ~ 1.5.Above-mentioned resistance to gasoline is cleaned in PBT material, and the PBT resin is milky, and inherent viscosity is 0.7 ~ 0.8 dl/g.Above-mentioned resistance to gasoline is cleaned in PBT material, and the toughener is the compound of POE-g-GMA and POE-g-MAH.Above-mentioned resistance to gasoline is cleaned in PBT material, and the adhesive aid is the compound of powdered epoxy resin and polyvinyl alcohol.Above-mentioned resistance to gasoline is cleaned in PBT material, and the coupling agent is aminopropyl triethoxysilane.The above-mentioned preparation method for exempting to spray the low-temperature impact-resistant PBT material of pearl effect, include the following steps: for the pearl powder after PBT resin, powdered epoxy resin, polyvinyl alcohol, silane coupling agent, toughener, antioxidant, PETS and drying to be stirred, mixing speed 2000r/min, mixing time 3min.Mixed raw material is added in hopper, extruding pelletization is carried out by double screw extruder, extrusion temperature is 235 ~ 250 DEG C, and screw speed is 400 ~ 450r/min to get the resistance to gasoline scouring PBT material.
Description
Technical field
The present invention relates to the technical fields to polybutylene terephthalate (PBT) (PBT) modifying plastics, more particularly to one
Polybutylene terephthalate (PBT) (PBT) plastics that kind can be cleaned with resistance to gasoline.
Background technique
Polybutylene terephthalate (PBT) (PBT) is a kind of good stability of the dimension, the electric property that crystallization rate is fast, excellent
With the engineering plastics of chemical-resistance.Because of features above, obtained on electric, auto parts and components and office appliance part
It is widely applied.
The product (such as office appliance, automobile component) of existing PBT material preparation needs to indicate product after the completion of production
Model and some technical parameters, all can be using in product surface carrying out inkjet printing with ink.But use ink print
Content for printing in certain applications place (motor vehicle repair) of mode because being cleaned intolerant to gasoline, so in the technology ginseng of product
Number is easy to be rubbed off and be difficult to be identified, and causes scrap of the product.
The present invention is mixed by twin-screw and is squeezed out, so that PBT mainly by adding adhesive aid in PBT resin
Preferable adhesive property is presented in plastics between 100 DEG C -200 DEG C.When ink carries out spraying printing, ink can be good at gluing
Knot is in product surface.
The present invention is used as compound binding agent using powdered epoxy resin and polyvinyl alcohol, divides in epoxy resin and polyvinyl alcohol
Not Han You polar epoxy-functional and hydroxyl, both auxiliary agents can evenly spread to PBT resin and table in high temperature co-extrusion
Face.And the temperature of PBT resin product after injection molding is substantially all at 150 DEG C or more, it is oily after using inkjet printing at this temperature
Organic matter in ink can react to form chemical bond and hydrogen bond with epoxy-functional and hydroxyl, improve the combination between PBT and ink
Power.When chemical bond therein is still more stable when touching this substance of gasoline for PBT product.Therefore, in the invention
The ink sprayed on PBT will not be cleaned by gasoline.
Summary of the invention
The invention mainly solves the technical problem of providing the preparations that a kind of resistance to gasoline cleans PBT material, so that PBT material
The scouring of gasoline, the technical parameter or explanation of retained product can be prevented after inkjet printing.
In order to solve the above technical problems, the purpose of the present invention is be achieved through the following technical solutions.
A kind of resistance to gasoline scouring PBT material, which is characterized in that it is formed in parts by mass are as follows:
PBT resin 64 ~ 82.9
Epoxy resin 15 ~ 25
Polyvinyl alcohol 1.0 ~ 5.0
Toughener 0.5 ~ 3.0
Antioxidant 0.2 ~ 1.0
PETS 0.2~0.5
Coupling agent 0.2 ~ 1.5
Above-mentioned resistance to gasoline is cleaned in PBT material, and the PBT resin is milky, and inherent viscosity is 0.7 ~ 0.8 dl/
g。
Above-mentioned resistance to gasoline is cleaned in PBT material, and the toughener is the compound of POE-g-GMA and POE-g-MAH.
Above-mentioned resistance to gasoline is cleaned in PBT material, and the adhesive aid is answering for powdered epoxy resin and polyvinyl alcohol
Close object.
Above-mentioned resistance to gasoline is cleaned in PBT material, and the coupling agent is aminopropyl triethoxysilane.
The above-mentioned preparation method for exempting to spray the low-temperature impact-resistant PBT material of pearl effect, includes the following steps:
After PBT resin, powdered epoxy resin, polyvinyl alcohol, silane coupling agent, toughener, antioxidant, PETS and drying
Pearl powder be stirred, mixing speed 2000r/min, mixing time 3min.Mixed raw material is added in hopper,
By double screw extruder carry out extruding pelletization, extrusion temperature be 235 ~ 250 DEG C, screw speed be 400 ~ 450r/min to get
The resistance to gasoline cleans PBT material.
Compared with prior art, the present invention has the following advantages and beneficial effects:
1, the preparation method that resistance to gasoline proposed by the present invention cleans PBT material is simple, and process is few, and cost is relatively low.
2, the present invention can prepare resistance to gasoline and clean using powdered epoxy resin and polyvinyl alcohol as highly effective binder
PBT material.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with example, but implementation and protection scope of the invention is not
It is limited to this.
Embodiment 1:
A kind of resistance to gasoline scouring PBT material, composition is in parts by mass are as follows:
PBT resin 79.8
Epoxy resin 15
Polyvinyl alcohol 1.0
Toughener 3.0
Antioxidant 0.4
PETS 0.3
Coupling agent 0.5
After PBT resin, powdered epoxy resin, polyvinyl alcohol, silane coupling agent, toughener, antioxidant, PETS and drying
Pearl powder be stirred, mixing speed 2000r/min, mixing time 3min.Mixed raw material is added in hopper,
By double screw extruder carry out extruding pelletization, extrusion temperature be 235 ~ 250 DEG C, screw speed be 400 ~ 450r/min to get
The resistance to gasoline cleans PBT material.
Embodiment 2:
A kind of resistance to gasoline scouring PBT material, composition is in parts by mass are as follows:
PBT resin 72.8
Epoxy resin 20
Polyvinyl alcohol 3.0
Toughener 3.0
Antioxidant 0.4
PETS 0.3
Coupling agent 0.5
After PBT resin, powdered epoxy resin, polyvinyl alcohol, silane coupling agent, toughener, antioxidant, PETS and drying
Pearl powder be stirred, mixing speed 2000r/min, mixing time 3min.Mixed raw material is added in hopper,
By double screw extruder carry out extruding pelletization, extrusion temperature be 235 ~ 250 DEG C, screw speed be 400 ~ 450r/min to get
The resistance to gasoline cleans PBT material.
Embodiment 3:
A kind of resistance to gasoline scouring PBT material, composition is in parts by mass are as follows:
PBT resin 65.8
Epoxy resin 25
Polyvinyl alcohol 5.0
Toughener 3.0
Antioxidant 0.4
PETS 0.3
Coupling agent 0.5
After PBT resin, powdered epoxy resin, polyvinyl alcohol, silane coupling agent, toughener, antioxidant, PETS and drying
Pearl powder be stirred, mixing speed 2000r/min, mixing time 3min.Mixed raw material is added in hopper,
By double screw extruder carry out extruding pelletization, extrusion temperature be 235 ~ 250 DEG C, screw speed be 400 ~ 450r/min to get
The resistance to gasoline cleans PBT material.
Table 1
| Testing standard | Embodiment 1 | Embodiment 2 | Embodiment 3 | |
| Epoxy resin content % | 15 | 20 | 25 | |
| Polyvinyl alcohol content % | 1.0 | 3.0 | 5.0 | |
| Tensile strength MPa | GB/T 1040 | 42 | 50 | 62 |
| Elongation at break % | GB/T 1040 | 5.1 | 5.0 | 4.8 |
| Impact strength KJ/m2Notch | GB/T 1843 | 28 | 31 | 31 |
| It is cleaned after inkjet printing with 92# gasoline | Range estimation | Ink writing shoals | Ink writing is unchanged shallow | Ink writing is unchanged shallow |
The material property of embodiment 1 ~ 3 is shown in Table 1, as can be seen from the table, moulds by PBT prepared by above formula and technique
Material, with the increase of the content of powdered epoxy resin and polyvinyl alcohol powder, ink writing of the inkjet printing on PBT product is very
Difficulty is swabbed, and after illustrating epoxy resin and polyvinyl alcohol modification PBT resin, increases the adhesive property between ink.From reality
Apply that the data in example 1 can be seen that epoxy resin and the content of polyvinyl alcohol is lower, part ink is not bonded with PBT product also,
Therefore the writing printed when being cleaned with 92# gasoline shoals.But in embodiment 2 and embodiment 3, beaten when being cleaned with 92# gasoline
The writing of print does not shoal, illustrates that ink is combined with PBT product well.
Claims (1)
1. a kind of resistance to gasoline cleans PBT material, which is characterized in that be made of the following components, composition is in parts by mass are as follows:
PBT resin 64 ~ 82.9
Epoxy resin 20 ~ 25
Polyvinyl alcohol 3.0 ~ 5.0
Toughener 0.5 ~ 3.0
Antioxidant 0.2 ~ 1.0
PETS 0.2~0.5
Coupling agent 0.2 ~ 1.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469115.9A CN107177174B (en) | 2017-06-20 | 2017-06-20 | A kind of resistance to gasoline cleans the preparation of PBT material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469115.9A CN107177174B (en) | 2017-06-20 | 2017-06-20 | A kind of resistance to gasoline cleans the preparation of PBT material |
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| Publication Number | Publication Date |
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| CN107177174A CN107177174A (en) | 2017-09-19 |
| CN107177174B true CN107177174B (en) | 2019-05-28 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102702695A (en) * | 2012-06-15 | 2012-10-03 | 昆山聚威工程塑料有限公司 | Heat conducting polyamide (PA)/polybutylene terephthalate (PBT) alloy |
| CN102850733A (en) * | 2011-06-29 | 2013-01-02 | 合肥杰事杰新材料股份有限公司 | Polybutylene terephthalate composition and its preparation method |
| CN104788915A (en) * | 2015-04-16 | 2015-07-22 | 苏州靖羽新材料有限公司 | Weather-proof polybutylene terephthalate composite material and preparation method thereof |
-
2017
- 2017-06-20 CN CN201710469115.9A patent/CN107177174B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102850733A (en) * | 2011-06-29 | 2013-01-02 | 合肥杰事杰新材料股份有限公司 | Polybutylene terephthalate composition and its preparation method |
| CN102702695A (en) * | 2012-06-15 | 2012-10-03 | 昆山聚威工程塑料有限公司 | Heat conducting polyamide (PA)/polybutylene terephthalate (PBT) alloy |
| CN104788915A (en) * | 2015-04-16 | 2015-07-22 | 苏州靖羽新材料有限公司 | Weather-proof polybutylene terephthalate composite material and preparation method thereof |
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| Publication number | Publication date |
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| CN107177174A (en) | 2017-09-19 |
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Effective date of registration: 20220817 Address after: No. 668, Huluao Village, Qixing Street, Xinchang County, Shaoxing City, Zhejiang Province, 312500 Patentee after: SHAOXING JUCHENG NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 312500 Chengtan Industrial Zone, Xinchang County, Shaoxing City, Zhejiang Province Patentee before: XINCHANG BOYUAN NEW MATERIAL CO.,LTD. |