CN113930084B - Liquid crystal polymer composition and application thereof - Google Patents
Liquid crystal polymer composition and application thereof Download PDFInfo
- Publication number
- CN113930084B CN113930084B CN202111113431.5A CN202111113431A CN113930084B CN 113930084 B CN113930084 B CN 113930084B CN 202111113431 A CN202111113431 A CN 202111113431A CN 113930084 B CN113930084 B CN 113930084B
- Authority
- CN
- China
- Prior art keywords
- liquid crystal
- crystal polymer
- polymer composition
- hollow glass
- weight
- 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.)
- Active
Links
- 229920000106 Liquid crystal polymer Polymers 0.000 title claims abstract description 66
- 239000004977 Liquid-crystal polymers (LCPs) Substances 0.000 title claims abstract description 58
- 239000000203 mixture Substances 0.000 title claims abstract description 36
- 239000011521 glass Substances 0.000 claims abstract description 55
- 239000011324 bead Substances 0.000 claims abstract description 48
- -1 polytetrafluoroethylene Polymers 0.000 claims abstract description 28
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims abstract description 28
- 239000004810 polytetrafluoroethylene Substances 0.000 claims abstract description 28
- 229920005989 resin Polymers 0.000 claims abstract description 19
- 239000011347 resin Substances 0.000 claims abstract description 19
- 238000004891 communication Methods 0.000 claims abstract description 8
- 239000011256 inorganic filler Substances 0.000 claims description 18
- 229910003475 inorganic filler Inorganic materials 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 18
- 230000008018 melting Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 8
- 239000004005 microsphere Substances 0.000 claims description 6
- 238000002360 preparation method Methods 0.000 claims description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 4
- 239000010445 mica Substances 0.000 claims description 4
- 229910052618 mica group Inorganic materials 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 239000004113 Sepiolite Substances 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- OJMOMXZKOWKUTA-UHFFFAOYSA-N aluminum;borate Chemical compound [Al+3].[O-]B([O-])[O-] OJMOMXZKOWKUTA-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- UGGQKDBXXFIWJD-UHFFFAOYSA-N calcium;dihydroxy(oxo)silane;hydrate Chemical compound O.[Ca].O[Si](O)=O UGGQKDBXXFIWJD-UHFFFAOYSA-N 0.000 claims description 2
- FPAFDBFIGPHWGO-UHFFFAOYSA-N dioxosilane;oxomagnesium;hydrate Chemical compound O.[Mg]=O.[Mg]=O.[Mg]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O FPAFDBFIGPHWGO-UHFFFAOYSA-N 0.000 claims description 2
- NJLLQSBAHIKGKF-UHFFFAOYSA-N dipotassium dioxido(oxo)titanium Chemical compound [K+].[K+].[O-][Ti]([O-])=O NJLLQSBAHIKGKF-UHFFFAOYSA-N 0.000 claims description 2
- 239000000395 magnesium oxide Substances 0.000 claims description 2
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 2
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052624 sepiolite Inorganic materials 0.000 claims description 2
- 235000019355 sepiolite Nutrition 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000000377 silicon dioxide Substances 0.000 claims description 2
- 235000012239 silicon dioxide Nutrition 0.000 claims description 2
- 239000004408 titanium dioxide Substances 0.000 claims description 2
- 239000010456 wollastonite Substances 0.000 claims description 2
- 229910052882 wollastonite Inorganic materials 0.000 claims description 2
- 239000011787 zinc oxide Substances 0.000 claims description 2
- 241000276425 Xiphophorus maculatus Species 0.000 claims 1
- 238000005187 foaming Methods 0.000 abstract description 10
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 239000002775 capsule Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000004974 Thermotropic liquid crystal Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 239000002952 polymeric resin Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000012153 distilled water Substances 0.000 description 2
- 229920006351 engineering plastic Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000012502 risk assessment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 235000003332 Ilex aquifolium Nutrition 0.000 description 1
- 235000002296 Ilex sandwicensis Nutrition 0.000 description 1
- 235000002294 Ilex volkensiana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000011325 microbead Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L101/00—Compositions of unspecified macromolecular compounds
- C08L101/12—Compositions of unspecified macromolecular compounds characterised by physical features, e.g. anisotropy, viscosity or electrical conductivity
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a liquid crystal polymer composition which comprises the following components in parts by weight: 20-94 parts of liquid crystal polymer resin, 5-40 parts of hollow glass beads and 1-40 parts of polytetrafluoroethylene; the compressive strength of the hollow glass beads is 50-200 MPa; the weight of the polytetrafluoroethylene is 0.2-8 times of the weight of the hollow glass beads. According to the invention, polytetrafluoroethylene is added into a liquid crystal polymer composition system containing hollow glass beads, so that the hollow glass beads can be well protected, the breakage rate of the hollow glass beads is greatly reduced, and the foaming problem caused by breakage of the hollow glass beads is improved or solved. The invention also discloses application of the liquid crystal polymer composition in preparing electronic components, electronic communication devices, connectors, coil frameworks, relays, resistors or antennas.
Description
Technical Field
The invention relates to a high molecular material, in particular to a liquid crystal polymer composition and application thereof.
Background
Liquid crystal polymers have excellent heat resistance, flowability, dimensional stability, self-flame retardance and other characteristics, and are widely used as small and precise electronic components such as electronic connectors, coil bobbins, relays and the like; in recent years, communication technology is rapidly developed towards high frequency, high speed, low delay, large capacity and the like, electronic components are promoted to be densely and miniaturized with higher requirements, and technologies such as high-density assembly and the like are developed, and meanwhile, the influence of all components on signal transmission is in unprecedented attention and research.
The application of the liquid crystal polymer in the field of communication connectors has many advantages, but the fact has proved that the conventional liquid crystal polymer cannot meet the requirement of future high-frequency communication, and the dielectric property of the conventional liquid crystal polymer is mainly represented by that the conventional liquid crystal polymer cannot enable the high-frequency signal to reach the optimal transmission state, and the liquid crystal polymer with lower dielectric constant and lower dielectric loss at high frequency is needed to realize.
In order to obtain a liquid crystal polymer with a lower dielectric constant, hollow glass beads with a certain proportion are selected to be added, but the hollow glass beads are easy to crack in the processing process, and the broken glass beads can not reduce the dielectric constant of the material, but can raise the dielectric constant; in addition, in the assembly process of the communication connector, the communication connector is often connected to the main board through a high-temperature welding process, and broken glass beads can be wrapped with gas in the material, so that when the breakage rate is higher, the foaming risk of the product surface is higher (the product with bubbles can cause the problems of missing welding or cold welding and the like, and the yield is greatly reduced).
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a liquid crystal polymer composition and application thereof.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: a liquid crystal polymer composition comprising the following components in parts by weight: 20-94 parts of liquid crystal polymer resin, 5-40 parts of hollow glass beads and 1-40 parts of polytetrafluoroethylene; the compressive strength of the hollow glass beads is 50-200 MPa; the weight of the polytetrafluoroethylene is 0.2-8 times of the weight of the hollow glass beads.
The inventors have unexpectedly found that the addition of polytetrafluoroethylene to a liquid crystal polymer composition system containing hollow glass microspheres can well protect the hollow glass microspheres and greatly reduce the breakage rate of the hollow glass microspheres, thereby improving or solving the above problems.
When the hollow glass beads are of the compressive strength, the breakage rate is lower. The weight ratio of the polytetrafluoroethylene to the hollow glass beads has a larger influence on the breakage rate, and when the weight ratio is adopted, the breakage rate of the hollow glass beads is lower.
The method for measuring the compressive strength in the invention comprises the following steps: filling hollow glass beads with the volume of 3-6cm 3 into a capsule, filling glycerol, vacuumizing to exhaust air, sealing the capsule, placing the sealed capsule into a pressure chamber filled with hydraulic oil for measuring isostatic pressure, and obtaining the compressive strength when the breakage rate of the hollow glass beads exceeds 10%. Generally, the hollow glass microsphere feedstock and its compressive strength in the liquid crystal polymer composition remain substantially unchanged.
Preferably, the polytetrafluoroethylene has a weight average molecular weight of 10 3～106; more preferably, the polytetrafluoroethylene has a weight average molecular weight of 10 4～105. The hollow glass breakage rate of the composition obtained by using the polytetrafluoroethylene with the weight average molecular weight is lower.
Preferably, the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 270 ℃ or higher; more preferably, the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 350 ℃ ± 30 ℃; most preferably, the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 350 ℃ ± 10 ℃. The liquid crystal polymer resin is preferably a thermotropic liquid crystal polymer resin having the above-mentioned melting point.
Preferably, the weight of the polytetrafluoroethylene is 0.4-4 times of the weight of the hollow glass beads; most preferably, the weight of the polytetrafluoroethylene is 0.6-2 times of the weight of the hollow glass microspheres.
Preferably, the liquid crystal polymer composition further comprises 0 to 30 parts by weight of an inorganic filler.
Preferably, the inorganic filler is at least one of fibrous, flat-plate-like, needle-like, spherical and spheroidal inorganic fillers; the fibrous inorganic filler is glass fiber; the plate-shaped inorganic filler is mica and/or talcum powder; the needle-shaped inorganic filler is at least one of potassium titanate whisker, aluminum borate whisker, calcium carbonate whisker, wollastonite, sepiolite, xonotlite and zinc oxide whisker; the spherical and spheroidal inorganic filler is at least one of silicon dioxide, silicon micropowder, titanium dioxide, aluminum oxide, molybdenum disulfide and magnesium oxide.
The invention also aims at providing a preparation method of the liquid crystal polymer composition, which comprises the following steps:
uniformly mixing the components, and obtaining the liquid crystal polymer composition through melting, extruding and granulating; the melting temperature is Tm+ -30 ℃, wherein Tm is the melting point of the liquid crystal polymer resin.
The invention also aims to provide application of the liquid crystal polymer composition in preparing electronic components, electronic communication devices, connectors, coil backbones, relays, resistors or antennas.
The invention has the beneficial effects that: the invention provides a liquid crystal polymer composition, which is characterized in that polytetrafluoroethylene is added into a liquid crystal polymer composition system containing hollow glass beads, so that the hollow glass beads can be well protected, the breakage rate of the hollow glass beads is greatly reduced, and the foaming problem caused by breakage of the hollow glass beads is improved or solved.
Detailed Description
For a better description of the objects, technical solutions and advantages of the present invention, the present invention will be further described with reference to the following specific examples.
The raw material information sources used in the examples and comparative examples are as follows:
Liquid crystalline polymer a: thermotropic liquid crystal polymer resin with melting point Tm of 350 ℃ which is purchased from Zhuhaiwantong special engineering plastic, the model is Vicryst R & lt 800 & gt;
Liquid crystal polymer B: thermotropic liquid crystal polymer resin with melting point Tm at 370 ℃ which is purchased from Zhuhaiwantong special engineering plastic with model Vicryst R8200,000;
inorganic filler a: mica powder, available from Japan mountain mica company, model AB-25S;
Inorganic filler B: glass fiber, available from Chongqing International composite material, model CS (HL) 309A-3;
hollow glass beads: new materials, specific models and compressive strengths, purchased from holly hollow microbeads, zheng state are shown in table 1.
The method for measuring the compressive strength of the hollow glass beads comprises the following steps: filling hollow glass beads with the volume of 3-6cm 3 into a capsule, filling glycerol, vacuumizing to exhaust air, sealing the capsule, placing the sealed capsule into a pressure chamber filled with hydraulic oil for measuring isostatic pressure, and obtaining the compressive strength when the breakage rate of the hollow glass beads exceeds 10%.
TABLE 1
Polytetrafluoroethylene: specific models and weight average molecular weights obtained from Tianyuxiang micropowder materials factory in Shenyang are shown in Table 2.
TABLE 2
| Polytetrafluoroethylene | Model number | Weight average molecular weight |
| Polytetrafluoroethylene A | A-01 | 5×103 |
| Polytetrafluoroethylene B | A-03 | 1.5×104 |
| Polytetrafluoroethylene C | B-01 | 5×104 |
| Polytetrafluoroethylene D | KDLJ-01 | 5×107 |
The preparation methods of the liquid crystal polymer compositions described in examples and comparative examples include the following steps: uniformly mixing the components, and obtaining the liquid crystal polymer composition through melting, extruding and granulating; the melting temperature is Tm+ -30 ℃, wherein Tm is the melting point of the liquid crystal polymer resin.
The method for testing the breakage rate (gamma) of the hollow glass beads comprises the following steps:
1. Taking a liquid crystal polymer composition obtained by a double screw extruder, and referring to ISO 3451-1, obtaining ash of a composite material, and obtaining weight M;
2. Dispersing ash in 300mL distilled water for 2min by an ultrasonic machine, on one hand, fully dispersing the hollow glass beads, and on the other hand, discharging gas wrapped by the broken hollow glass beads so as to be fully infiltrated by water;
3. Pouring distilled water into a separating funnel, fully shaking up, and standing for 2 hours to enable the uncrushed hollow glass beads to completely float on the surface layer, and sinking the crushed hollow glass beads and other inorganic fillers;
4. Collecting glass beads floating on the surface layer, and putting the glass beads into a baking oven at 120 ℃ for full drying until the weight is constant, so as to obtain the weight m1 of the uncrushed hollow glass beads;
5. The calculation is carried out according to the proportion of each component: γ=1 to M1/(m·a1/(a1+a2)), where a1 is the weight part content of the hollow glass beads and a2 is the weight part content of other inorganic fillers.
Material blister risk assessment:
1. taking a liquid crystal polymer composite material obtained by a double-screw extruder, and molding a sample 64mm 1mm square plate by a single-screw injection molding machine to obtain 100 blocks;
2. Placing 100 square plates into a constant temperature oven at 260 ℃ for baking for 30min;
3. counting the proportion of plates with bubbles;
4. Blister risk assessment criteria:
class a: the foaming proportion is less than or equal to 10 percent, and the use requirement of the product can be completely met;
B level: the foaming proportion is 10-20%, and the use requirement of the product can be basically met;
C level: the foaming proportion is 20-50%, and only the use requirement of part of products can be met;
D stage: the foaming proportion is more than or equal to 50 percent, and the use requirement of the product can not be met completely.
The method for testing the dielectric constant comprises the following steps:
the liquid crystal polymer composite obtained by the twin screw extruder was molded into a 100mm x 1mm square plate of a sample by a single screw injection molding machine, and the dielectric constant at 2.5GHz was measured with reference to IEC 62562-2010.
The compositions of examples and comparative examples were tested for composition and breakage rate as shown in tables 3 and 4.
TABLE 3 Table 3
TABLE 4 Table 4
As can be seen from tables 3 and 4, after polytetrafluoroethylene is added, and when the added polytetrafluoroethylene is 0.2 to 8 times the weight of the hollow glass beads, and the compressive strength of the hollow glass beads is 50MPa to 200MPa, the breakage rate of the hollow glass beads in the liquid crystal polymer composition containing the hollow glass beads is reduced, and the dielectric constant is lower (less than 3.4), the foaming risk is A grade or B grade, and the use requirement of the product can be completely or basically met; especially when the weight of the added polytetrafluoroethylene is 0.4-4 times of the weight of the hollow glass beads, the breakage rate of the hollow glass beads is lower, the foaming risk is class A, and especially when the weight of the added polytetrafluoroethylene is 0.6-2 times of the weight of the hollow glass beads, the breakage rate of the hollow glass beads is the lowest, and the foaming risk is class A.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present invention.
Claims (12)
1. A liquid crystal polymer composition characterized by comprising the following components in parts by weight: 36-94 parts of liquid crystal polymer resin, 5-40 parts of hollow glass beads and 1-40 parts of polytetrafluoroethylene; the compressive strength of the hollow glass beads is 50-200 MPa; the weight of the polytetrafluoroethylene is 0.4-3 times of the weight of the hollow glass beads; the weight average molecular weight of the polytetrafluoroethylene is 10 3～106.
2. The liquid crystal polymer composition of claim 1, wherein the polytetrafluoroethylene has a weight average molecular weight of 10 4～105.
3. The liquid crystal polymer composition according to claim 1, wherein the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 270 ℃ or higher.
4. A liquid crystal polymer composition according to claim 3, wherein the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 350 ℃ ± 30 ℃.
5. The liquid crystal polymer composition according to claim 4, wherein the liquid crystal polymer resin is a liquid crystal polymer resin having a melting point Tm of 350 ℃ ± 10 ℃.
6. The liquid crystal polymer composition according to claim 1, wherein the polytetrafluoroethylene has a weight of 0.6 to 2 times the weight of the hollow glass microspheres.
7. The liquid crystal polymer composition according to claim 1, further comprising 0 to 30 parts by weight of an inorganic filler.
8. The liquid crystal polymer composition according to claim 7, wherein the inorganic filler is at least one of fibrous, platy, acicular, spherical and spheroidal inorganic filler; the fibrous inorganic filler is glass fiber; the plate-shaped inorganic filler is mica and/or talcum powder; the needle-shaped inorganic filler is at least one of potassium titanate whisker, aluminum borate whisker, calcium carbonate whisker, wollastonite, sepiolite, xonotlite and zinc oxide whisker; the spherical and spheroidal inorganic filler is at least one of silicon dioxide, silicon micropowder, titanium dioxide, aluminum oxide, molybdenum disulfide and magnesium oxide.
9. A method for preparing a liquid crystalline polymer composition according to any one of claims 1 to 8, comprising the steps of:
uniformly mixing the components, and obtaining the liquid crystal polymer composition through melting, extruding and granulating; the melting temperature is Tm+ -30 ℃, wherein Tm is the melting point of the liquid crystal polymer resin.
10. Use of a liquid crystalline polymer composition according to any one of claims 1 to 8 for the preparation of an electronic component.
11. Use of a liquid crystalline polymer composition according to any one of claims 1 to 8 for the preparation of an electronic communication device.
12. Use of a liquid crystalline polymer composition according to any one of claims 1 to 8 for the preparation of a connector, coil former, relay, resistor or antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113431.5A CN113930084B (en) | 2021-09-18 | 2021-09-18 | Liquid crystal polymer composition and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111113431.5A CN113930084B (en) | 2021-09-18 | 2021-09-18 | Liquid crystal polymer composition and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113930084A CN113930084A (en) | 2022-01-14 |
| CN113930084B true CN113930084B (en) | 2024-05-07 |
Family
ID=79276563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111113431.5A Active CN113930084B (en) | 2021-09-18 | 2021-09-18 | Liquid crystal polymer composition and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113930084B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348990A (en) * | 1993-03-02 | 1994-09-20 | Hoechst Celanese Corp. | Low dielectric materials |
| CN105086400A (en) * | 2014-05-22 | 2015-11-25 | 汉达精密电子(昆山)有限公司 | Low-floating fiber flame-retardant fiber-reinforced PC composite material and product thereof |
| CN111286176A (en) * | 2020-04-03 | 2020-06-16 | 广东圆融新材料有限公司 | Liquid crystal polymer composition and preparation method thereof |
| CN111320848A (en) * | 2020-04-03 | 2020-06-23 | 广东圆融新材料有限公司 | Low dielectric constant liquid crystal polymer composition and preparation method thereof |
| CN111662640A (en) * | 2020-05-11 | 2020-09-15 | 深圳市信维通信股份有限公司 | Modified liquid crystal material for 5G communication, copper-clad plate and preparation method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7128847B2 (en) * | 2002-07-25 | 2006-10-31 | E. I. Du Pont De Nemours And Company | Liquid crystalline polymeric compositions |
| WO2008090235A2 (en) * | 2007-02-28 | 2008-07-31 | Solvay Advanced Polymers, L.L.C. | Thermoplastic compositions containing microspheres |
-
2021
- 2021-09-18 CN CN202111113431.5A patent/CN113930084B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5348990A (en) * | 1993-03-02 | 1994-09-20 | Hoechst Celanese Corp. | Low dielectric materials |
| CN105086400A (en) * | 2014-05-22 | 2015-11-25 | 汉达精密电子(昆山)有限公司 | Low-floating fiber flame-retardant fiber-reinforced PC composite material and product thereof |
| CN111286176A (en) * | 2020-04-03 | 2020-06-16 | 广东圆融新材料有限公司 | Liquid crystal polymer composition and preparation method thereof |
| CN111320848A (en) * | 2020-04-03 | 2020-06-23 | 广东圆融新材料有限公司 | Low dielectric constant liquid crystal polymer composition and preparation method thereof |
| CN111662640A (en) * | 2020-05-11 | 2020-09-15 | 深圳市信维通信股份有限公司 | Modified liquid crystal material for 5G communication, copper-clad plate and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113930084A (en) | 2022-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2418249B1 (en) | Wholly aromatic liquid crystalline polyester resin compound with improved flowability, and method for preparing same | |
| JP4893880B2 (en) | Sealing material for solid oxide fuel cell and method for producing the same | |
| CN101864259B (en) | SIS (Styrene-Isoprene-Styrene) hot melt adhesive for car light adhesion and preparation method thereof | |
| CN103923306B (en) | A kind of liquid crystal polyester and consisting of liquid-crystalline polyester composition and application | |
| CN112409582B (en) | Liquid crystal polymer resin and preparation method and application thereof | |
| CN113403022B (en) | Organic silicon heat-conducting pouring sealant and preparation method thereof | |
| CN111394056A (en) | High-thermal-conductivity organic silicon gap filler | |
| CN104379656A (en) | Polytetrafluoroethene compound with microspheres and fibers | |
| CN109486100A (en) | Epoxy resin for electronic packaging composition and preparation method thereof | |
| CN111518392B (en) | High-thermal-conductivity flame-retardant silicone gel and preparation method thereof | |
| CN113930084B (en) | Liquid crystal polymer composition and application thereof | |
| CN113861716B (en) | Liquid crystal polymer composition and application thereof | |
| CN113201229A (en) | Liquid crystal polymer composite material and application thereof | |
| CN116574472A (en) | High-low temperature aging resistant two-component epoxy pouring sealant and preparation method thereof | |
| CN114085657B (en) | Temporary plugging material for shale gas well and preparation method thereof | |
| CN102337003A (en) | Epoxy resin encapsulating material modified by organosilicon, its preparation method and its application | |
| CN114752161A (en) | Antistatic plastic-wood composite material and preparation method thereof | |
| CN113512303A (en) | Liquid crystal polymer composite material and application thereof | |
| CN113372640A (en) | High-thermal-conductivity foaming composite material | |
| US11820860B2 (en) | Liquid crystal polyester composition of low dielectric constant and low dielectric loss rate with improved fluidity | |
| CN104710731A (en) | Polyethylene glycol terephthalate composite material and preparation method thereof | |
| CN109467802A (en) | A kind of nano ferriferrous oxide filling high thermal conductivity PPR pipe and its manufacturing method | |
| CN110184008A (en) | A kind of preparation method of epoxy group heat conductive insulating compound cutan | |
| CN117048154B (en) | PS waterproof board and preparation method thereof | |
| CN110615985A (en) | Preparation method and application of high-thermal-conductivity material composite filler |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |