CN109971139A - A kind of communication equipment PBT-PET modified plastics - Google Patents
A kind of communication equipment PBT-PET modified plastics Download PDFInfo
- Publication number
- CN109971139A CN109971139A CN201910246682.7A CN201910246682A CN109971139A CN 109971139 A CN109971139 A CN 109971139A CN 201910246682 A CN201910246682 A CN 201910246682A CN 109971139 A CN109971139 A CN 109971139A
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- barium
- modified plastics
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- niobate
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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
-
- 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
-
- 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
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- 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
Abstract
The invention discloses a kind of communication equipment PBT-PET modified plastics, and the modified plastics includes: 25 ~ 55 parts of PBT, 30 ~ 75 parts of PET according to parts by weight, 10 ~ 30 parts of vinylidene, 15 ~ 30 parts of tetrafluoroethene, 1 ~ 5 part of ester exchange inhibitor, 20 ~ 30 parts of inorganic filler, 0 ~ 5 part of auxiliary agent.The modified plastics not only has good weatherability, excellent mechanical property, but also dielectric constant with higher and electromagnetic shielding, the plastic basis material base parts and components used on high-power communication apparatus are suitable for use as, wide purposes is also had in 5G communication apparatus.
Description
Technical field
The present invention relates to engineering plastics, in particular to a kind of communication equipment PBT-PET modified plastics.
Background technique
Polybutylene terephthalate (PBT), abbreviation PBT, with polyethylene terephthalate, abbreviation PET is 20th century 70
The thermoplastic polyester that age grows up has many advantages, such as high temperature resistant, moisture-proof, resistant to chemical etching, in wider temperature range
It is able to maintain good mechanical property.With the development of communication technology, in order to reduce dielectric loss, to the material of high dielectric constant
Demand is larger, and current BT-PET modified plastics is difficult to meet the demand.
Summary of the invention
In order to solve the above technical problems, the embodiment of the invention provides a kind of communication equipment PBT-PET modified plastics.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
The embodiment of the invention provides a kind of communication equipment PBT-PET modified plastics, the modified plastics according to parts by weight
It include: 25 ~ 55 parts of PBT, 30 ~ 75 parts of PET, 10 ~ 30 parts of vinylidene, 15 ~ 30 parts of tetrafluoroethene, ester exchange inhibitor 1 ~ 5
Part, 20 ~ 30 parts of inorganic filler, 0 ~ 5 part of auxiliary agent.
Further, according to parts by weight, the auxiliary agent includes: 1 ~ 3 part of weather resisting agent, 1 ~ 3 part of antioxidant.
Further, the weather resisting agent is ultraviolet absorber or/and hindered amine light stabilizer, and antioxidant is four [β-(3,5-
Di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three [2.4- di-tert-butyl-phenyl] phosphite esters, N, N'- is bis--(3-
(3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, at least one of double octadecyl esters of thio-2 acid or two kinds with
On mixture.
Further, the modified plastics according to parts by weight further include: 5 ~ 15 parts of epoxy resin.
Further, the epoxy resin is bisphenol A type epoxy resin, biphenyl type epoxy resin or isocyanate-modified ring
Oxygen resin.
Further, the inorganic filler be barium titanate, strontium titanates, magnesium titanate, calcium titanate, barium strontium titanate, calcium barium titanate,
Lead titanates, lead zirconate titanate, zirconium lanthanium titanate lead, lanthanium titanate barium, zirconia titanate barium, titanium dioxide, hafnium oxide, lead magnesio-niobate, niobium magnesium
Sour barium, lithium niobate, potassium niobate, tantalic acid aluminium strontium, potassium tantallum niobate (KTH), strontium barium niobate, lead bariun niobate, titanium niobate barium, bismuth tantalate strontium, metatitanic acid
In bismuth, barium titanate rubidium or CaCu 3 Ti 4 O any one or at least two mixture.
Further, the ester exchange inhibitor is sodium dihydrogen phosphate, ammonium dihydrogen phosphate, triphenyl phosphite and di(2-ethylhexyl)phosphate
In different monooctyl ester any one or at least two mixture.
The embodiment of the invention provides a kind of communication equipment PBT-PET modified plastics, which not only has good
Good weatherability, excellent mechanical property, but also dielectric constant with higher and electromagnetic shielding are suitable for use as high-power logical
The plastic basis material base parts and components used in news equipment, also have wide purposes in 5G communication apparatus.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
The technical solution of the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is of the invention one
Point embodiment, rather than whole embodiments.Based on described the embodiment of the present invention, those skilled in the art institute obtained
There are other embodiments, belongs to the scope of the present invention.
The embodiment of the invention provides a kind of communication equipment PBT-PET modified plastics, according to parts by weight, modified plastics
It include: 25 ~ 55 parts of PBT, 30 ~ 75 parts of PET, 10 ~ 30 parts of vinylidene, 15 ~ 30 parts of tetrafluoroethene, ester exchange inhibitor 1 ~ 5
Part, 20 ~ 30 parts of inorganic filler, 0 ~ 5 part of auxiliary agent.
In some embodiment of the invention, auxiliary agent includes: 1 ~ 3 part of weather resisting agent, 1 ~ 3 part of antioxidant.
In some embodiment of the invention, weather resisting agent is ultraviolet absorber or/and hindered amine light stabilizer, antioxidant four
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester, three [2.4- di-tert-butyl-phenyl] phosphite esters, N,
N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, at least one in the double octadecyl esters of thio-2 acid
Kind or two or more mixtures.
In other embodiments of the invention, according to parts by weight, modified plastics further include: 5 ~ 15 parts of epoxy resin.Into
One step, epoxy resin is bisphenol A type epoxy resin, biphenyl type epoxy resin or isocyanate modified epoxy resin.Asphalt mixtures modified by epoxy resin
Rouge can be improved the mechanical property of material.
In some embodiment of the invention, inorganic filler be barium titanate, strontium titanates, magnesium titanate, calcium titanate, barium strontium titanate,
Calcium barium titanate, lead titanates, lead zirconate titanate, zirconium lanthanium titanate lead, lanthanium titanate barium, zirconia titanate barium, titanium dioxide, hafnium oxide, niobium magnesium
Lead plumbate, barium magnesium niobate, lithium niobate, potassium niobate, tantalic acid aluminium strontium, potassium tantallum niobate (KTH), strontium barium niobate, lead bariun niobate, titanium niobate barium, tantalic acid
In bismuth strontium, bismuth titanates, barium titanate rubidium or CaCu 3 Ti 4 O any one or at least two mixture.Inorganic filler is preferably
Nano-sized filler, if average grain diameter is 100 ~ 800nm.Above-mentioned inorganic filler can not only increase the mechanical property of material, also aobvious
Write the dielectric constant for improving material.
In some other embodiment of the present invention, ester exchange inhibitor is sodium dihydrogen phosphate, ammonium dihydrogen phosphate, phosphorous acid three
In phenyl ester and di (isooctyl) phosphate any one or at least two mixture.
For lightening material weight, material property is further increased, can also be added in the modified plastics of the embodiment of the present invention
Enter foaming agent.
The present invention is described further combined with specific embodiments below, it is to be understood that the present invention is not limited to
Following embodiment:
Embodiment one
First by 28 parts of PBT, 35 parts of PET, 12 parts of vinylidene, 15 parts of tetrafluoroethene, 1 part of sodium dihydrogen phosphate, 20 parts of magnesium titanate,
1 part of ultraviolet absorber, three 1 part of phosphite ester of [2.4- di-tert-butyl-phenyl], 6 parts of bisphenol A type epoxy resins are put into twin-screw and squeeze
It is blended in machine out,
Ten areas of double screw extruder, each area's temperature are respectively as follows: 280 DEG C, 270 DEG C, 268 DEG C, 270 DEG C, 260 DEG C, 255 DEG C, 253
℃、250℃、248℃、240℃。
Embodiment two
First by 40 parts of PBT, 55 parts of PET, 21 parts of vinylidene, 19 parts of tetrafluoroethene, 3 parts of ammonium dihydrogen phosphate, zirconia titanate barium 25
Part, 2 parts of hindered amine light stabilizer, four 1 part of pentaerythritol ester of [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] are put into double
It is blended in screw extruder, inorganic filler average grain diameter is 200nm.
Ten areas of double screw extruder, each area's temperature are respectively as follows: 280 DEG C, 279 DEG C, 276 DEG C, 268 DEG C, 265 DEG C, 250
℃、250℃、248℃、240℃、240℃。
Embodiment three
First by 50 parts of PBT, 70 parts of PET, 28 parts of vinylidene, 128 parts of tetrafluoroethene, 3 parts of triphenyl phosphite, bismuth titanates 30
Part, 1 part of ultraviolet absorber, 1 part of hindered amine light stabilizer, three 1 part of phosphite ester of [2.4- di-tert-butyl-phenyl], 12 parts of isocyanic acids
Ester modified epoxy resin, which is put into double screw extruder, to be blended, in barium titanate rubidium or CaCu 3 Ti 4 O any one or at least
Two kinds of mixture.
Ten areas of double screw extruder, each area's temperature are respectively as follows: 280 DEG C, 270 DEG C, 270 DEG C, 265 DEG C, 260 DEG C, 258
℃、256℃、250℃、248℃、245℃。
Performance test, wherein dielectric properties Dk/Df measures the dielectric constant of sample plate under 1GHz using capacity plate antenna method
Dk and dielectric loss Df.
Other preparation methods of modified plastics according to an embodiment of the present invention are all to those skilled in the art can
To understand and easy to accomplish, therefore it is not described in detail.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.
Claims (7)
1. a kind of communication equipment PBT-PET modified plastics, which is characterized in that the modified plastics includes: according to parts by weight
25 ~ 55 parts of PBT, 30 ~ 75 parts of PET, 10 ~ 30 parts of vinylidene, 15 ~ 30 parts of tetrafluoroethene, 1 ~ 5 part of ester exchange inhibitor, nothing
20 ~ 30 parts of machine filler, 0 ~ 5 part of auxiliary agent.
2. modified plastics according to claim 1, which is characterized in that according to parts by weight, the auxiliary agent includes: weather resisting agent
1 ~ 3 part, 1 ~ 3 part of antioxidant.
3. modified plastics according to claim 2, which is characterized in that the weather resisting agent is ultraviolet absorber or/and is obstructed
Amine light stabilizer, antioxidant are four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters, three [bis- uncles of 2.4-
Butyl phenyl] phosphite ester, N, N'- is bis--(3- (3,5- di-tert-butyl-hydroxy phenyl) propiono) hexamethylene diamine, thio dipropyl
At least one of sour double octadecyl esters or two or more mixtures.
4. modified plastics according to claim 1, which is characterized in that the modified plastics according to parts by weight further include: 5
~ 15 parts of epoxy resin.
5. modified plastics according to claim 4, which is characterized in that the epoxy resin is bisphenol A type epoxy resin, connection
Benzene-type epoxy resin or isocyanate modified epoxy resin.
6. modified plastics according to claim 1, which is characterized in that the inorganic filler is barium titanate, strontium titanates, metatitanic acid
Magnesium, calcium titanate, barium strontium titanate, calcium barium titanate, lead titanates, lead zirconate titanate, zirconium lanthanium titanate lead, lanthanium titanate barium, zirconia titanate barium, dioxy
Change titanium, hafnium oxide, lead magnesio-niobate, barium magnesium niobate, lithium niobate, potassium niobate, tantalic acid aluminium strontium, potassium tantallum niobate (KTH), strontium barium niobate, niobic acid
In barium lead, titanium niobate barium, bismuth tantalate strontium, bismuth titanates, barium titanate rubidium or CaCu 3 Ti 4 O any one or at least two it is mixed
Close object.
7. modified plastics according to claim 1, which is characterized in that the ester exchange inhibitor is sodium dihydrogen phosphate, phosphorus
In acid dihydride ammonium, triphenyl phosphite and di (isooctyl) phosphate any one or at least two mixture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246682.7A CN109971139A (en) | 2019-03-29 | 2019-03-29 | A kind of communication equipment PBT-PET modified plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910246682.7A CN109971139A (en) | 2019-03-29 | 2019-03-29 | A kind of communication equipment PBT-PET modified plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109971139A true CN109971139A (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910246682.7A Pending CN109971139A (en) | 2019-03-29 | 2019-03-29 | A kind of communication equipment PBT-PET modified plastics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116003978A (en) * | 2023-03-27 | 2023-04-25 | 河北海伟电子新材料科技股份有限公司 | Thin film capacitor material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116003978A (en) * | 2023-03-27 | 2023-04-25 | 河北海伟电子新材料科技股份有限公司 | Thin film capacitor material and preparation method thereof |
| CN116003978B (en) * | 2023-03-27 | 2023-05-30 | 河北海伟电子新材料科技股份有限公司 | Thin film capacitor material and preparation method thereof |
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Effective date of registration: 20190807 Address after: 215000 Fenghuang Jing Cun, Weitang Town, Suzhou, Jiangsu, Xiangcheng District Applicant after: SUZHOU WEIRUICHENG NEW MATERIAL CO., LTD. Address before: 215000 Work Station 13, Floor 26, Building No. 209 Zhuyuan Road, Suzhou High-tech Zone, Jiangsu Province Applicant before: Suzhou Weipuda New Materials Co., Ltd. |
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