WO2010117164A2 - 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 및 그의 제조방법 - Google Patents
유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 및 그의 제조방법 Download PDFInfo
- Publication number
- WO2010117164A2 WO2010117164A2 PCT/KR2010/002034 KR2010002034W WO2010117164A2 WO 2010117164 A2 WO2010117164 A2 WO 2010117164A2 KR 2010002034 W KR2010002034 W KR 2010002034W WO 2010117164 A2 WO2010117164 A2 WO 2010117164A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polyester resin
- aromatic liquid
- wholly aromatic
- crystal polyester
- liquid crystal
- 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.)
- Ceased
Links
Classifications
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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
- C08L67/03—Polyesters derived from dicarboxylic acids and dihydroxy compounds the dicarboxylic acids and dihydroxy compounds having the carboxyl- and the hydroxy groups directly linked to aromatic rings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/002—Methods
- B29B7/007—Methods for continuous mixing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/80—Component parts, details or accessories; Auxiliary operations
- B29B7/88—Adding charges, i.e. additives
- B29B7/90—Fillers or reinforcements, e.g. fibres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
Definitions
- the wholly aromatic liquid crystalline polyester resin compound and its manufacturing method are disclosed. More specifically, the wholly aromatic liquid-crystalline polyester resin compound containing the 2 or more types of wholly aromatic liquid crystal polyester resin from which a melting point differs, and an additive, and its manufacturing method are disclosed.
- the wholly aromatic liquid crystal polyester resin is excellent in heat resistance and dimensional stability, and excellent in fluidity during melting, and is widely used in the field of electronic parts as a precision injection molding material. In particular, its dimensional stability and electrical insulation are excellent, and its use is expanding as a material for films and substrates for electronic materials.
- the wholly aromatic liquid crystal polyester resin compound used as a precision injection molding material requires excellent fluidity for light and small size reduction of the product.
- a resin compound should be prepared using a wholly aromatic liquid crystal polyester resin having a low melting point, but a resin compound may be prepared using a wholly aromatic liquid crystal polyester resin having a low melting point. In this case, there is a problem that the heat resistance is lowered.
- One embodiment of the present invention provides a wholly aromatic liquid crystal polyester resin compound comprising at least two wholly aromatic liquid crystal polyester resins and additives having different melting points.
- Another embodiment of the present invention provides a method for preparing the wholly aromatic liquid crystal polyester resin compound.
- a wholly aromatic liquid crystal polyester resin compound containing an additive A wholly aromatic liquid crystal polyester resin compound containing an additive
- the content of the first wholly aromatic liquid crystal polyester resin provides a wholly aromatic liquid crystal polyester resin compound which is 5 to 10 parts by weight based on 100 parts by weight of the second wholly aromatic liquid crystal polyester resin.
- the melting point of the first wholly aromatic liquid crystal polyester resin may be 310 to 320 ° C.
- the melting point of the second wholly aromatic liquid crystal polyester resin may be 360 to 375 ° C.
- the additive may comprise at least one of an inorganic filler and an organic filler.
- the inorganic filler may include glass fiber, talc, calcium carbonate, mica, clay or a mixture of two or more thereof, and the organic filler may include carbon fiber.
- a method for producing a wholly aromatic liquid crystal polyester resin compound comprising mixing and kneading a first wholly aromatic liquid crystal polyester resin having a low melting point, a second wholly aromatic liquid crystal polyester resin having a high melting point, and an additive.
- the amount of the first wholly aromatic liquid crystal polyester resin is 5 to 10 parts by weight based on 100 parts by weight of the second wholly aromatic liquid crystal polyester resin provides a method for producing a wholly aromatic liquid crystal polyester resin compound.
- the present invention by including two or more wholly aromatic liquid crystal polyester resins having different melting points, it is possible to provide a wholly aromatic liquid crystal polyester resin compound and a manufacturing method thereof with improved fluidity.
- the wholly aromatic liquid crystal polyester resin compound according to the embodiment of the present invention includes a first wholly aromatic liquid crystal polyester resin having a low melting point, a second wholly aromatic liquid crystal polyester resin having a high melting point, and an additive, and the first The content of the wholly aromatic liquid crystal polyester resin is 5 to 10 parts by weight based on 100 parts by weight of the second wholly aromatic liquid crystal polyester resin.
- the content of the first wholly aromatic liquid crystal polyester resin is 5 parts by weight or more based on 100 parts by weight of the second wholly aromatic liquid crystal polyester resin, the fluidity improving effect of the resin compound as a final product is remarkable, and when the content of the first wholly aromatic liquid crystal polyester resin is 10 parts by weight or less, The fear of lowering the heat resistance of the resin compound can also be reduced.
- the melting point of the first wholly aromatic liquid crystal polyester resin may be 310 to 320 ° C.
- the melting point of the second wholly aromatic liquid crystal polyester resin may be 360 to 375 ° C. If the melting point of the first wholly aromatic liquid-crystalline polyester resin is 310 °C or more, there is little concern that the heat resistance of the resin compound as a final product is lowered, and blister does not occur in the resin compound, and when the temperature is below 320 ° C., the flowability of the resin compound as a final product is increased. Is large.
- the melting point of the second wholly aromatic liquid-crystalline polyester resin is 360 ° C. or more, there is little concern that the heat resistance of the resin compound as the final product is lowered. When the melting point of the second wholly aromatic liquid crystal polyester resin is 375 ° C. or less, the fluidity of the resin compound as the final product is less likely to be reduced, and injection molding becomes easy.
- Two or more kinds of wholly aromatic liquid crystalline polyester resins having different melting points used in the preparation of the wholly aromatic liquid crystalline polyester resin compound may be prepared by the following steps:
- the monomer used in step (a) includes at least one compound selected from the group consisting of aromatic diols, aromatic diamines and aromatic hydroxyamines, and aromatic dicarboxylic acids.
- the monomer may further comprise an aromatic hydroxy carboxylic acid and / or an aromatic amino carboxylic acid.
- step (a) As the synthesis method of step (a), solution condensation polymerization, bulk condensation polymerization may be used.
- a monomer ie, acylated monomer
- a chemical such as an acylating agent (particularly, an acetylating agent) and increased in reactivity may be used.
- the heat providing method includes a method using a heating plate, a method using a hot air, a method using a high temperature fluid, and the like.
- purging using an inert gas or vacuum removal may be performed.
- Each of the wholly aromatic liquid crystal polyester resins may include various repeating units in a chain, and may include, for example, the following repeating units:
- Ar is an aromatic compound in which phenylene, biphenylene, naphthalene or two phenylenes are bonded to elements other than carbon or carbon, or phenylene, biphenylene, naphthalene or two phenylene is carbon Or an aromatic compound in which at least one hydrogen is substituted with another element among aromatic compounds bonded with an element other than carbon.
- the additive may comprise an inorganic filler and / or an organic filler.
- the inorganic filler may include glass fiber, talc, calcium carbonate, mica, clay or a mixture of two or more thereof, and the organic filler may include carbon fiber.
- the inorganic filler and the organic filler serve to improve the mechanical strength of the molded body during injection molding.
- the wholly aromatic liquid-crystalline polyester resin compound at least two kinds of the wholly aromatic liquid-crystalline polyester resins having different melting points and additives in a predetermined ratio (that is, the amount of the first wholly aromatic liquid-crystalline polyester resin having a low melting point has a high melting point). It can be produced by mixing and melt-kneading the mixture to 5 to 10 parts by weight based on 100 parts by weight of the second wholly aromatic liquid crystal polyester resin having.
- a batch kneader, a twin screw extruder or a mixing roll may be used for such melt kneading.
- a lubricant may be used during melt kneading for smooth melt kneading.
- KF grade wholly aromatic polyester resin of Samsung Fine Chemicals Co., Ltd. was used as the wholly aromatic liquid crystal polyester composition having a low melting point.
- the melting point of the resin measured using a differential scanning calorimeter was 315 ° C.
- KB grade wholly aromatic polyester resin of Samsung Fine Chemicals Co., Ltd. was used as a wholly aromatic liquid crystal polyester resin having a high melting point.
- the melting point of the resin measured using a differential scanning calorimeter was 363 ° C.
- the two kinds of wholly aromatic liquid crystal polyester resin and glass fibers (pulverized glass fibers having a diameter of 10 ⁇ m and an average length of 150 ⁇ m) having different melting points were mixed in a ratio of 6: 4 by weight, and thus twin screw extruder (L / D: 40, diameter: 25 mm) to prepare a compound of the wholly aromatic liquid-crystalline polyester resin by melt kneading.
- twin screw extruder L / D: 40, diameter: 25 mm
- a vacuum was applied to the twin screw extruder to remove by-products.
- the amount of the totally aromatic liquid crystal polyester resin (KB grade) having a high melting point without using any wholly aromatic liquid crystal polyester resin (KF grade) having a low melting point was used based on 100 parts by weight of the final wholly aromatic liquid crystal polyester resin compound.
- a compound of wholly aromatic liquid crystal polyester resin was prepared in the same manner as in Example 1, except that the weight was adjusted to 60 parts by weight.
- the amount of the totally aromatic liquid crystal polyester resin (KF grade) having a low melting point and the wholly aromatic liquid crystal polyester resin (KB grade) having a high melting point was respectively 7 parts by weight based on 100 parts by weight of the final wholly aromatic liquid crystal polyester resin compound.
- a compound of wholly aromatic liquid crystal polyester resin was prepared in the same manner as in Example 1, except that 53 parts by weight was adjusted.
- the wholly aromatic liquid crystal polyester resin compound prepared in Examples 1 to 2 was found to be excellent in both heat resistance and fluidity.
- the wholly aromatic liquid crystal polyester resin compound prepared in Comparative Examples 1 to 3 showed that the physical properties of any one of fluidity and heat resistance were too low. Therefore, the wholly aromatic liquid crystal polyester resin compound according to one embodiment of the present invention may be usefully used as a precision injection molding material.
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
Description
| 구분 | 실시예 1 | 실시예 2 | 비교예 1 | 비교예 2 | 비교예 3 |
| 유동성(poise) | 464 | 257 | 1425 | 1217 | 173 |
| 내열도(℃) | 319 | 318 | 319 | 319 | 309 |
Claims (5)
- 저용융점을 갖는 제1 전방향족 액정 폴리에스테르 수지;고용융점을 갖는 제2 전방향족 액정 폴리에스테르 수지; 및첨가제를 포함하는 전방향족 액정 폴리에스테르 수지 컴파운드로서,상기 제1 전방향족 액정 폴리에스테르 수지의 함량은 상기 제2 전방향족 액정 폴리에스테르 수지 100 중량부에 대하여 5~10 중량부인 전방향족 액정 폴리에스테르 수지 컴파운드.
- 제1항에 있어서,상기 제1 전방향족 액정 폴리에스테르 수지의 용융점은 310~320℃이고, 상기 제2 전방향족 액정 폴리에스테르 수지의 용융점은 360~375℃인 전방향족 액정 폴리에스테르 수지 컴파운드.
- 제1항에 있어서,상기 첨가제는 무기 충전제 및 유기 충전제 중 적어도 하나를 포함하는 전방향족 액정 폴리에스테르 수지 컴파운드.
- 제3항에 있어서,상기 무기 충전제는 유리섬유, 활석, 탄산칼슘, 운모, 점토 또는 이들 중 2 이상의 혼합물을 포함하며, 상기 유기 충전제는 탄소섬유를 포함하는 전방향족 액정 폴리에스테르 수지 컴파운드.
- 저용융점을 갖는 제1 전방향족 액정 폴리에스테르 수지, 고용융점을 갖는 제2 전방향족 액정 폴리에스테르 수지 및 첨가제를 혼합하여 용융혼련하는 단계를 포함하는 전방향족 액정 폴리에스테르 수지 컴파운드의 제조방법으로서,상기 제1 전방향족 액정 폴리에스테르 수지의 사용량은 상기 제2 전방향족 액정 폴리에스테르 수지 100 중량부에 대하여 5~10 중량부인 전방향족 액정 폴리에스테르 수지 컴파운드의 제조방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012503338A JP2012522862A (ja) | 2009-04-06 | 2010-04-02 | 流動性が向上した全芳香族液晶ポリエステル樹脂コンパウンド及びその製造方法 |
| US13/260,213 US8603356B2 (en) | 2009-04-06 | 2010-04-02 | Wholly aromatic liquid crystalline polyester resin compound with enhanced fluidity and method of preparing the same |
| CN201080015782.6A CN102388101B (zh) | 2009-04-06 | 2010-04-02 | 流动性得以提高的全芳香族液晶聚酯树脂复合物及其制造方法 |
| EP10761825.8A EP2418249B1 (en) | 2009-04-06 | 2010-04-02 | Wholly aromatic liquid crystalline polyester resin compound with improved flowability, and method for preparing same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2009-0029486 | 2009-04-06 | ||
| KR1020090029486A KR101621451B1 (ko) | 2009-04-06 | 2009-04-06 | 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 및 그의 제조방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2010117164A2 true WO2010117164A2 (ko) | 2010-10-14 |
| WO2010117164A3 WO2010117164A3 (ko) | 2011-01-20 |
Family
ID=42936688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2010/002034 Ceased WO2010117164A2 (ko) | 2009-04-06 | 2010-04-02 | 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 및 그의 제조방법 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US8603356B2 (ko) |
| EP (1) | EP2418249B1 (ko) |
| JP (1) | JP2012522862A (ko) |
| KR (1) | KR101621451B1 (ko) |
| CN (1) | CN102388101B (ko) |
| WO (1) | WO2010117164A2 (ko) |
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| KR101783477B1 (ko) * | 2009-10-21 | 2017-09-29 | 심천 워트 어드밴스드 머티리얼즈 주식회사 | 전방향족 액정 폴리에스테르 수지 컴파운드, 상기 수지 컴파운드의 제조방법, 광픽업용 부품, 및 상기 부품의 제조방법 |
| KR20120052647A (ko) | 2010-11-16 | 2012-05-24 | 삼성정밀화학 주식회사 | 유동성이 향상된 전방향족 액정 폴리에스테르 수지 컴파운드 |
| WO2013032981A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | High flow liquid crystalline polymer composition |
| WO2013032974A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | Solid-state polymerization of a liquid crystalline polymer |
| WO2013032967A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | Cast molded parts formed form a liquid crystalline polymer |
| WO2013032976A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | High flow liquid crystalline polymer composition |
| US9074133B2 (en) | 2011-08-29 | 2015-07-07 | Ticona Llc | Thermotropic liquid crystalline polymer with improved low shear viscosity |
| WO2013032979A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | Melt polymerization of low melt viscosity liquid crystalline polymers |
| TW201319022A (zh) | 2011-08-29 | 2013-05-16 | Ticona Llc | 芳族醯胺化合物 |
| WO2013032977A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | Heat-resistant liquid crystalline polymer composition having a low melting temperature |
| WO2013032971A1 (en) | 2011-08-29 | 2013-03-07 | Ticona Llc | Melt-extruded substrate for use in thermoformed articles |
| KR101773204B1 (ko) * | 2011-10-31 | 2017-09-01 | 심천 워트 어드밴스드 머티리얼즈 주식회사 | 대전방지 특성을 갖는 전방향족 액정 폴리에스테르 수지 컴파운드 및 물품 |
| US8926862B2 (en) | 2011-11-15 | 2015-01-06 | Ticona Llc | Low naphthenic liquid crystalline polymer composition for use in molded parts with a small dimensional tolerance |
| KR102098411B1 (ko) | 2011-11-15 | 2020-04-07 | 티코나 엘엘씨 | 콤팩트 카메라 모듈 |
| TWI534253B (zh) | 2011-11-15 | 2016-05-21 | 堤康那責任有限公司 | 具有改良可燃性效能之富含環烷之液晶聚合物組合物 |
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| US9988529B2 (en) | 2015-11-20 | 2018-06-05 | Ticona Llc | High flow polyaryletherketone composition |
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| US20090212451A1 (en) * | 2005-11-02 | 2009-08-27 | Samsung Fine Chemicals Co., Ltd. | Method of Preparing Wholly Aromatic Polyester |
| KR100722949B1 (ko) | 2005-11-17 | 2007-05-30 | 삼성정밀화학 주식회사 | 고내열성 전방향족 폴리에스테르 수지 조성물 및 이의제조방법 |
| JP5225653B2 (ja) * | 2007-10-30 | 2013-07-03 | 上野製薬株式会社 | 液晶ポリエステルブレンド |
| KR101783477B1 (ko) * | 2009-10-21 | 2017-09-29 | 심천 워트 어드밴스드 머티리얼즈 주식회사 | 전방향족 액정 폴리에스테르 수지 컴파운드, 상기 수지 컴파운드의 제조방법, 광픽업용 부품, 및 상기 부품의 제조방법 |
-
2009
- 2009-04-06 KR KR1020090029486A patent/KR101621451B1/ko active Active
-
2010
- 2010-04-02 EP EP10761825.8A patent/EP2418249B1/en active Active
- 2010-04-02 US US13/260,213 patent/US8603356B2/en active Active
- 2010-04-02 CN CN201080015782.6A patent/CN102388101B/zh active Active
- 2010-04-02 JP JP2012503338A patent/JP2012522862A/ja active Pending
- 2010-04-02 WO PCT/KR2010/002034 patent/WO2010117164A2/ko not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| None |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2010117164A3 (ko) | 2011-01-20 |
| CN102388101B (zh) | 2014-01-08 |
| EP2418249A2 (en) | 2012-02-15 |
| KR20100111094A (ko) | 2010-10-14 |
| EP2418249B1 (en) | 2016-09-21 |
| US8603356B2 (en) | 2013-12-10 |
| JP2012522862A (ja) | 2012-09-27 |
| CN102388101A (zh) | 2012-03-21 |
| EP2418249A4 (en) | 2013-10-09 |
| KR101621451B1 (ko) | 2016-05-16 |
| US20120022202A1 (en) | 2012-01-26 |
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