WO2023239103A1 - 액정 중합체 조성물 및 이로부터 제조된 성형품 - Google Patents
액정 중합체 조성물 및 이로부터 제조된 성형품 Download PDFInfo
- Publication number
- WO2023239103A1 WO2023239103A1 PCT/KR2023/007411 KR2023007411W WO2023239103A1 WO 2023239103 A1 WO2023239103 A1 WO 2023239103A1 KR 2023007411 W KR2023007411 W KR 2023007411W WO 2023239103 A1 WO2023239103 A1 WO 2023239103A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- liquid crystal
- crystal polymer
- polymer composition
- weight
- parts
- 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
-
- 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
- C08K3/34—Silicon-containing 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
- C08K5/00—Use of organic ingredients
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
-
- 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
-
- 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
- C08K2201/005—Additives being defined by their particle size in general
Definitions
- the present invention relates to liquid crystal polymer compositions and molded articles made therefrom. More specifically, the present invention relates to a liquid crystal polymer composition that has excellent weld strength, rigidity, dent resistance, etc., and generates little dust, and a molded article manufactured therefrom.
- LCP liquid crystalline polymer
- CMOS complementary metal oxide semiconductor
- the background technology of the present invention is disclosed in Korean Patent Registration No. 10-1423766, etc.
- the purpose of the present invention is to provide a liquid crystal polymer composition that has excellent weld strength, rigidity, dent resistance, etc., and generates little dust.
- Another object of the present invention is to provide a molded article formed from the liquid crystal polymer composition.
- the liquid crystal polymer composition includes about 100 parts by weight of a liquid crystal polymer; About 10 to about 40 parts by weight of mica; About 5 to about 30 parts by weight of wollastonite; and about 0.1 to about 2 parts by weight of potassium distearyl phosphate.
- the liquid crystal polymer may have a crystalline melting point of 280 to 360°C.
- the mica may have an average particle size of about 15 to about 35 ⁇ m.
- the wollastonite may have a cross-sectional diameter of about 1 to about 10 ⁇ m and a length after processing of about 30 to about 40 ⁇ m.
- the weight ratio of the mica and the wollastonite may be about 1:0.2 to about 1:1.5.
- the weight ratio of the mica and the potassium distearyl phosphate may be about 1:0.01 to about 1:0.1.
- the liquid crystal polymer composition has a weld strength of a 9 mm ⁇ 9 mm ⁇ 3 mm specimen measured by pulling at a speed of 0.5 mm/s using a push-pull device. may be from about 8.6 to about 20 N.
- the liquid crystal polymer composition has a flexural modulus of about 120,000 to about 140,000 kgf/cm 2 days for a 1/4" thick specimen measured at a speed of 2.8 mm/min according to ASTM D790. You can.
- the liquid crystal polymer composition was prepared by attaching a ball point tip (tungsten carbide) with a diameter of 0.65 mm to an aluminum stick (total weight 40 g) and dropping it on a 3.2 mm thick specimen from a height of 3 cm. After dropping, the surface dent depth measured with an optical profiler may be about 10 to about 20 ⁇ m.
- the liquid crystal polymer composition is prepared by placing a 32 mm ⁇ 16 mm ⁇ 9 mm Lego block-shaped specimen with 8 protrusions in a 30 cm ⁇ 30 cm ⁇ 100 cm tumbler, 7 After evaluating the tumbler rotating 2,000 times under rpm conditions, the measured dust production amount may be about 1,000 to about 3,500 ppm according to Equation 1 below:
- W1 is the weight of the specimen before tumbler evaluation
- W2 is the weight of the specimen after tumbler evaluation
- the molded article is characterized in that it is formed from the liquid crystal polymer composition according to any one of items 1 to 10 above.
- the molded product may be a compact camera module part.
- the present invention has the effect of providing a liquid crystal polymer composition that has excellent weld strength, rigidity, dent resistance, etc. and generates little dust, and a molded article formed therefrom.
- the liquid crystal polymer composition according to the present invention includes (A) a liquid crystal polymer; (B) mica; (C) wollastonite; and (D) potassium distearyl phosphate.
- Liquid crystalline polymer (LCP) exhibits an anisotropic melt phase
- liquid crystal polyesteramide, liquid crystal polyester, etc. which are called thermotropic liquid crystal polymers
- the anisotropic melt phase of the liquid crystal polymer can be confirmed by a conventional polarization system using a right-angle polarizer (light polarizer). For example, under a nitrogen atmosphere, a sample on a Leitz hot plate can be observed with a Leitz polarizing microscope.
- the liquid crystal polymer is aromatic oxycarbonyl, aromatic dicarbonyl, aromatic deoxy, aromatic aminooxy, aromatic aminocarbonyl, aromatic diamino, aromatic oxydicarbonyl, aliphatic deoxy, combinations thereof, etc. May contain repeat units.
- the liquid crystal polymer composed of the above-described repeating units may include both those that provide and those that do not provide an anisotropic melt phase, depending on the structural elements of the polymer and the ratio and arrangement distribution of the elements.
- the liquid crystal polymer used in the present invention is one that exhibits an anisotropic melt phase.
- examples of monomers that provide aromatic oxycarbonyl repeat units include 4-hydroxybenzoic acid, m-hydroxybenzoic acid, o-hydroxybenzoic acid, 6-hydroxy-2-naphthoic acid, 5-hydroxy- 2-naphthoic acid, 3-hydroxy-2-naphthoic acid, 4'-hydroxybiphenyl-4-carboxylic acid, 3'-hydroxybiphenyl-4-carboxylic acid, 4'-hydroxybiphenyl -3-carboxylic acids, and their alkyl-, alkoxy- or halogen-substituted derivatives, and ester forming derivatives such as acyl derivatives, ester derivatives and acyl halides thereof.
- 4-hydroxybenzoic acid and 6-hydroxy-2-naphthoic acid are preferred for easier control of the properties and melting point of the resulting liquid crystal polymer.
- examples of monomers providing aromatic dicarbonyl repeat units include terephthalic acid, isophthalic acid, 2,6-naphthalenedicarboxylic acid, 1,6-naphthalenedicarboxylic acid, 2,7-naphthalenedicarboxylic acid, Acids, aromatic dicarboxylic acids such as 1,4-naphthalenedicarboxylic acid, 4,4'-dicarboxybiphenyl, and their alkyl-, alkoxy or halogen-substituted derivatives, and their ester derivatives, acid halides It is an ester-forming derivative such as.
- terephthalic acid and 2,6-naphthalenedicarboxylic acid are preferred from the viewpoint of easier control of the mechanical properties, heat resistance, melting point and molding properties of the resulting liquid crystal polymer.
- examples of monomers that provide aromatic deoxy repeat units include hydroquinone, resorcin, 2,6-dihydroxynaphthalene, 2,7-dihydroxynaphthalene, 1,6-dihydroxynaphthalene, 1, 4-dihydroxynaphthalene, 4,4'-dihydroxybiphenyl, 3,3'-dihydroxybiphenyl, 3,4'-dihydroxybiphenyl, 4,4'-dihydroxybiphenyl aromatic diols such as ethers, and alkyl-, alkoxy- or halogen-substituted derivatives, and ester forming derivatives such as acyl derivatives thereof.
- hydroquinone and 4,4'-dihydroxybiphenyl are preferred in view of good reactivity during the polymerization process and good properties of the resulting liquid crystal polymer blend.
- examples of monomers providing aromatic aminooxy repeat units include p-aminophenol, m-aminophenol, N-acetyl-4-aminophenol, 4-amino-1-naphthol, 5-amino-1-naphthol. , aromatic hydroxyamines such as 8-amino-2-naphthol, 4-amino-4'-hydroxybiphenyl, and ester-forming derivatives such as alkyl-, alkoxy- or halogen-substituted derivatives and acyl derivatives thereof, and their It is an amide forming derivative such as N-acyl derivative.
- examples of monomers that provide aromatic diamino repeat units include aromatic diamines such as p-phenylenediamine, m-phenylenediamine, 1,5-diaminonaphthalene, 1,8-diaminonaphthalene, and alkyl- , alkoxy- or halogen-substituted derivatives, and amide-forming derivatives such as their N-acyl derivatives.
- examples of monomers providing aromatic aminocarbonyl repeat units include aromatic aminocarboxylic acids such as p-aminobenzoic acid, m-aminobenzoic acid, 6-amino-2-naphthoic acid, and alkyl-, alkoxy-, or halogen -substituted derivatives, and ester forming derivatives such as acyl derivatives, ester derivatives and acid halides thereof and amide forming derivatives such as N-acyl derivatives thereof.
- aromatic aminocarboxylic acids such as p-aminobenzoic acid, m-aminobenzoic acid, 6-amino-2-naphthoic acid, and alkyl-, alkoxy-, or halogen -substituted derivatives
- ester forming derivatives such as acyl derivatives, ester derivatives and acid halides thereof and amide forming derivatives such as N-acyl derivatives thereof.
- examples of monomers that provide aromatic oxydicarbonyl repeat units include hydroxyl group such as 3-hydroxy-2,7-naphthalenedicarboxylic acid, 4-hydroxyisophthalic acid, 5-hydroxyisophthalic acid, -aromatic dicarboxylic acids, and their alkyl-, alkoxy- or halogen-substituted derivatives, and their ester-forming derivatives such as acyl derivatives, ester derivatives and acyl halides.
- examples of monomers that provide aliphatic deoxy repeat units are ethylene glycol, aliphatic diols such as 1,4-butanediol, 1,6-hexanediol, and acyl derivatives thereof.
- the liquid crystal polymer having an aliphatic deoxy repeating unit is a polyester having an aliphatic deoxy repeating unit such as polyethylene terephthalate or polybutylene terephthalate, and the aromatic oxycarboxylic acid, aromatic dicarboxylic acid, aromatic diol, aromatic It can be obtained by reacting hydroxyamine, aromatic aminocarboxylic acid, aromatic diamine or acyl derivative, its ester derivative or acid halide.
- the liquid crystal polymer may have a thioester bond if the bond does not impair the purpose of the present invention.
- monomers that provide thioester linkages are mercapto-aromatic carboxylic acids, aromatic dithiols, and hydroxy-aromatic thiols.
- the proportion of these additional monomers based on the total amount of monomers providing aromatic oxycarbonyl, aromatic di-carbonyl, aromatic deoxy, aromatic aminooxy, aromatic diamino, aromatic oxy di-carbonyl and aliphatic deoxy repeat units. is preferably about 10 mol% or less.
- the preferred liquid crystal polymer used in the present invention is one containing an aromatic oxycarbonyl repeating unit including a 4-oxybenzoyl repeating unit and/or a 6-oxy-2-naphthoyl repeating unit.
- examples of preferred liquid crystal polymers comprising 4-oxybenzoyl and/or 6-oxy-2-naphthoyl repeat units may include:
- copolymers of 1), 8), 9) and 13) are preferred from the viewpoint of polymer moldability and mechanical properties.
- the liquid crystal polymer may be a polymer blend containing two or more liquid crystal polymers for the purpose of increasing the fluidity of the polymer during molding.
- the method for producing the liquid crystal polymer is not limited, and any method known in the art can be used.
- conventional polycondensation methods such as melt acid decomposition and slurry polymerization methods to prepare polymers to create ester and/or amide bonds in the monomer elements described above can be used.
- the above molten acid decomposition method is preferably used for the preparation of liquid crystal polymer.
- the monomers are heated to produce a molten solution and then the solution is reacted to produce a molten polymer.
- the final step of this method can be performed under vacuum to facilitate removal of volatile by-products such as acetic acid or water.
- the slurry polymerization process is characterized in that the monomers are reacted in a heat-exchange fluid to produce a solid state polymer in the form of a suspension in a heat-exchange liquid medium.
- the monomer to be polymerized in either the melt acid decomposition method or the slurry polymerization method, may be in the form of a lower acyl derivative obtained by acylating a hydroxyl group and/or an amino group.
- Lower acyl groups may have 2 to 5 carbon atoms, for example 2 to 3 carbon atoms.
- acetylated monomers are used in the reaction.
- the lower acyl derivative of the monomer may be prepared by previously acylating the monomer independently or may be produced in situ by adding an acylating agent such as acetic anhydride to the monomer during the preparation of the liquid crystal polymer.
- an acylating agent such as acetic anhydride
- a catalyst in either the melt acid decomposition method or the slurry polymerization method, may be used in the reaction if desired.
- examples of catalysts include organic tin compounds such as dialkyl tin oxide (e.g., dibutyl tin oxide) and diaryl tin oxide; antimony trioxide; titanium dioxide; organic titanium compounds such as alkoxy titanium silicates and titanium alkoxides; Alkaline or alkaline earth metal salts of carboxylic acids such as potassium acetate; salts of inorganic acids (eg K 2 SO 4 ); and gaseous acid catalysts such as Lewis acids (eg, BF 3 ) and hydrogen halides (eg, HCl).
- organic tin compounds such as dialkyl tin oxide (e.g., dibutyl tin oxide) and diaryl tin oxide
- antimony trioxide titanium dioxide
- organic titanium compounds such as alkoxy titanium silicates and titanium alkoxides
- Alkaline or alkaline earth metal salts of carboxylic acids such as potassium acetate
- salts of inorganic acids eg K 2 SO 4
- the amount of catalyst added to the reaction based on the total amount of monomers may be from about 10 to about 1000 ppm, for example from about 20 to about 200 ppm.
- the liquid crystal polymer may be obtained from a reaction vessel that polymerizes in a molten state and then processed to produce pellets, flakes, or powder.
- the liquid crystal polymer in the form of pellets, flakes or powder can be heated to a substantially solid state, if desired, under vacuum or an inert gas atmosphere such as nitrogen or helium.
- the heat treatment temperature may be about 260 to about 350°C, for example, about 280 to about 320°C.
- the liquid crystal polymer may have a crystalline melting point (Tm) of about 280 to about 360° C. as determined by differential scanning calorimetry.
- Tm crystalline melting point
- DSC Differential scanning calorimetry
- Exstar 6000 Seiko Instruments Inc., Chiba, Japan
- the liquid crystal polymer sample to be observed is heated from room temperature at a rate of 20° C./min to measure the endothermic peak (Tm1). Thereafter, the sample is maintained at a temperature 20 to 50° C. higher than Tm1 for 10 minutes. The sample is then cooled to room temperature at a rate of 10° C./min and heated again at a rate of 10° C./min.
- Tm crystalline melting point
- Mica according to one embodiment of the present invention can be applied together with wollastonite and potassium distearyl phosphate to improve the weld strength, rigidity, pitting resistance, etc. of the liquid crystal polymer composition and to reduce dust generation, Conventional plate-shaped mica can be used.
- the mica may have an average particle size of about 15 to about 35 ⁇ m, for example, about 20 to about 30 ⁇ m, as measured by a particle size measuring device (Malvern mastersizer 3000). Within the above range, the surface appearance, etc. of the liquid crystal polymer composition may be excellent.
- the mica may be included in an amount of about 10 to about 40 parts by weight, for example, about 15 to about 30 parts by weight, based on about 100 parts by weight of the liquid crystal polymer. If the mica content is less than about 10 parts by weight based on about 100 parts by weight of the liquid crystal polymer, there is a risk that the weld strength and rigidity of the liquid crystal polymer composition (molded product) may decrease, and if it exceeds about 40 parts by weight, the liquid crystal There is a risk that a lot of dust may be generated from the polymer composition (molded product).
- Wollastonite according to one embodiment of the present invention can be applied together with mica and potassium distearyl phosphate to improve the weld strength, rigidity, pitting resistance, etc. of the liquid crystal polymer composition and reduce dust generation, Ordinary acicular wollastonite can be used.
- the wollastonite is a calcium-based mineral, a white needle-shaped mineral, and at least a portion of the surface may be subjected to hydrophobic surface treatment.
- the hydrophobic surface treatment may be, for example, coating wollastonite with an olefin-based, epoxy-based, or silane-based material, but is not limited thereto.
- the wollastonite may have a cross-sectional diameter measured with a particle size measuring device (Malvern mastersizer 3000) of about 1 to about 10 ⁇ m, for example, about 2 to about 9 ⁇ m, and a length before processing of about 50 to about 80 ⁇ m. It may be ⁇ m, and the length after processing may be about 20 to about 50 ⁇ m, for example, about 30 to about 40 ⁇ m. Within the above range, the weld strength, rigidity, etc. of the liquid crystal polymer composition may be excellent.
- a particle size measuring device Malvern mastersizer 3000
- the wollastonite may be included in an amount of about 5 to about 30 parts by weight, for example, about 8 to about 23 parts by weight, based on about 100 parts by weight of the liquid crystal polymer. If the content of wollastonite is less than about 5 parts by weight based on about 100 parts by weight of the liquid crystal polymer, there is a risk that the rigidity, etc. of the liquid crystal polymer composition (molded product) may decrease, and if it exceeds about 30 parts by weight, the liquid crystal polymer composition ( There is a risk that a lot of dust will be generated from molded products.
- the weight ratio (B:C) of the mica (B) and the wollastonite (C) may be about 1:0.2 to about 1:1.5, for example, about 1:0.25 to about 1:1.4.
- the mechanical strength, etc. of the liquid crystal polymer composition (molded article) may be superior, and dust generation may be reduced.
- Potassium distearyl phosphate according to one embodiment of the present invention can be applied together with mica and wollastonite to improve the weld strength, rigidity, pitting resistance, etc. of the liquid crystal polymer composition and reduce dust generation. will be.
- the potassium distearyl phosphate may be included in an amount of about 0.1 to about 2 parts by weight, for example, about 0.2 to about 1 part by weight, based on about 100 parts by weight of the liquid crystal polymer. If the content of the potassium distearyl phosphate is less than about 0.1 parts by weight based on about 100 parts by weight of the liquid crystal polymer, there is a risk that the weld strength, rigidity, dent resistance, etc. of the liquid crystal polymer composition (molded product) may be reduced, and about 2 If it exceeds parts by weight, there is a risk that the rigidity, etc. of the liquid crystal polymer composition (molded product) may decrease.
- the weight ratio (B:D) of the mica (B) and the potassium distearyl phosphate (D) is from about 1:0.01 to about 1:0.1, for example from about 1:0.01 to about 1:0.05. You can. Within the above range, the weld strength, rigidity, dent resistance, etc. of the liquid crystal polymer composition (molded product) may be superior.
- the liquid crystal polymer composition according to one embodiment of the present invention may further include additives included in conventional liquid crystal polymer compositions.
- the additive include, but are not limited to, antioxidants, anti-dripping agents, lubricants, mold release agents, nucleating agents, antistatic agents, stabilizers, pigments, dyes, and mixtures thereof.
- its content may be about 0.001 to about 40 parts by weight, for example, about 0.1 to about 10 parts by weight, based on about 100 parts by weight of the liquid crystal polymer.
- the liquid crystal polymer composition is applied to a weld line using push-pull equipment (manufacturer: IMADA, device name: MX-500N, push-pull gauge: IMADA DST500N).
- the weld strength of a 9 mm ⁇ 9 mm ⁇ 3 mm specimen measured by pulling at a speed of 0.5 mm/s in the direction in which this occurs may be about 8.6 to about 20 N, for example, about 8.8 to about 15 N.
- the liquid crystal polymer composition has a flexural modulus of about 120,000 to about 140,000 kgf/cm 2 for a 1/4" thick specimen measured at a rate of 2.8 mm/min, for example, about 123,000 to about 123,000 according to ASTM D790. It may be about 139,000 kgf/cm 2 .
- the liquid crystal polymer composition is prepared by attaching a ball point tip (tungsten carbide) with a diameter of 0.65 mm to an aluminum stick (total weight 40 g) and dropping it on a 3.2 mm thick specimen from a height of 3 cm.
- the surface dent depth measured with an optical profiler may be about 10 to about 20 ⁇ m, for example, about 11 to about 19 ⁇ m.
- the liquid crystal polymer composition is prepared by placing a 32 mm ⁇ 16 mm ⁇ 9 mm Lego block-shaped specimen with 8 protrusions in a 30 cm ⁇ 30 cm ⁇ 100 cm tumbler, After evaluating the tumbler rotating 2,000 times at 7 rpm, the measured amount of dust generated may be about 1,000 to about 3,500 ppm, for example, about 1,100 to about 3,300 ppm, according to Equation 1 below.
- W1 is the weight of the specimen before tumbler evaluation
- W2 is the weight of the specimen after tumbler evaluation
- a molded article according to the present invention is formed from the above liquid crystal polymer composition.
- the liquid crystal polymer composition can be manufactured in the form of pellets, and the manufactured pellets can be manufactured into various molded articles (products) through various molding methods such as injection molding, extrusion molding, vacuum molding, and casting molding. This forming method is well known to those skilled in the art.
- the molded product has excellent weld strength, rigidity, dent resistance, etc., generates little dust, and includes surface-mounted electronic devices including switches, relays, connectors, concentrators, coils, transformers, camera modules, antennas, and chip antenna switches; It is useful for manufacturing devices that are mounted using lead-free solders processed at higher temperatures.
- the molded product may be a compact camera module part, etc.
- Weld strength (unit: N): Using push-pull equipment (manufacturer: IMADA, device name: MX-500N, push-pull gauge: IMADA DST500N), A specimen measuring 9 mm ⁇ 9 mm ⁇ 3 mm was pulled at a speed of 0.5 mm/s in the direction in which the weld line occurs, and its peak force (weld strength) was measured.
- W1 is the weight of the specimen before tumbler evaluation
- W2 is the weight of the specimen after tumbler evaluation
- Comparative example 6 7 8 9 (A) (parts by weight) 100 100 100 100 100 (B1) (part by weight) 23 23 23 23 23 (B2) (parts by weight) - - - - (C1) (parts by weight) - 15 15 15 (C2) (parts by weight) 15 - - - (D1) (parts by weight) 0.6 0.05 3 - (D2) (parts by weight) - - - 0.6 Weld strength (N) 9.5 7.5 8.4 5.0 Flexural modulus (kgf/cm 2 ) 138,000 112,000 125,000 95,000 Surface dent depth ( ⁇ m) 16 22 18 25 Dust generation (ppm) 4,200 2,600 2,500 2,500
- liquid crystal polymer composition of the present invention has excellent weld strength, rigidity (flexural modulus), dent resistance (surface dent depth), etc., and generates little dust.
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
Description
| 실시예 | |||||
| 1 | 2 | 3 | 4 | 5 | |
| (A) (중량부) | 100 | 100 | 100 | 100 | 100 |
| (B1) (중량부) | 30 | 16 | 23 | 16 | 30 |
| (B2) (중량부) | - | - | - | - | - |
| (C1) (중량부) | 8.3 | 22 | 15 | 15 | 15 |
| (C2) (중량부) | - | - | - | - | - |
| (D1) (중량부) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| (D2) (중량부) | - | - | - | - | - |
| 웰드 강도 (N) | 9.1 | 9.2 | 9.2 | 9.0 | 9.1 |
| 굴곡탄성률 (kgf/cm2) | 131,000 | 130,000 | 130,000 | 123,000 | 133,000 |
| 표면 덴트 깊이 (㎛) | 17 | 18 | 18 | 16 | 17 |
| 분진 생성량 (ppm) | 3,000 | 2,000 | 2,400 | 2,200 | 2,700 |
| 실시예 | ||||
| 6 | 7 | 8 | 9 | |
| (A) (중량부) | 100 | 100 | 100 | 100 |
| (B1) (중량부) | 23 | 23 | 23 | 23 |
| (B2) (중량부) | - | - | - | - |
| (C1) (중량부) | 8.3 | 22 | 15 | 15 |
| (C2) (중량부) | - | - | - | - |
| (D1) (중량부) | 0.6 | 0.6 | 0.3 | 0.9 |
| (D2) (중량부) | - | - | - | - |
| 웰드 강도 (N) | 9.0 | 9.1 | 8.8 | 8.9 |
| 굴곡탄성률 (kgf/cm2) | 130,000 | 135,000 | 129,000 | 130,000 |
| 표면 덴트 깊이 (㎛) | 18 | 17 | 16 | 16 |
| 분진 생성량 (ppm) | 2,500 | 2,600 | 2,400 | 2,300 |
| 비교예 | |||||
| 1 | 2 | 3 | 4 | 5 | |
| (A) (중량부) | 100 | 100 | 100 | 100 | 100 |
| (B1) (중량부) | 5 | 45 | - | 23 | 23 |
| (B2) (중량부) | - | - | 23 | - | - |
| (C1) (중량부) | 15 | 15 | 15 | 1 | 35 |
| (C2) (중량부) | - | - | - | - | - |
| (D1) (중량부) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 |
| (D2) (중량부) | - | - | - | - | - |
| 웰드 강도 (N) | 8.4 | 9.5 | 6.5 | 9.0 | 9.1 |
| 굴곡탄성률 (kgf/cm2) | 90,000 | 148,000 | 88,000 | 118,000 | 138,000 |
| 표면 덴트 깊이 (㎛) | 19 | 16 | 24 | 18 | 17 |
| 분진 생성량 (ppm) | 1,500 | 6,000 | 4,200 | 2,800 | 3,800 |
| 비교예 | ||||
| 6 | 7 | 8 | 9 | |
| (A) (중량부) | 100 | 100 | 100 | 100 |
| (B1) (중량부) | 23 | 23 | 23 | 23 |
| (B2) (중량부) | - | - | - | - |
| (C1) (중량부) | - | 15 | 15 | 15 |
| (C2) (중량부) | 15 | - | - | - |
| (D1) (중량부) | 0.6 | 0.05 | 3 | - |
| (D2) (중량부) | - | - | - | 0.6 |
| 웰드 강도 (N) | 9.5 | 7.5 | 8.4 | 5.0 |
| 굴곡탄성률 (kgf/cm2) | 138,000 | 112,000 | 125,000 | 95,000 |
| 표면 덴트 깊이 (㎛) | 16 | 22 | 18 | 25 |
| 분진 생성량 (ppm) | 4,200 | 2,600 | 2,500 | 2,500 |
Claims (12)
- 액정 중합체 약 100 중량부;마이카 약 10 내지 약 40 중량부;규회석 약 5 내지 약 30 중량부; 및포타슘 디스테아릴 포스페이트 약 0.1 내지 약 2 중량부;를 포함하는 것을 특징으로 하는 액정 중합체 조성물.
- 제1항에 있어서, 상기 액정 중합체는 결정성 융점이 280 내지 360℃인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 또는 제2항에 있어서, 상기 마이카는 평균 입자 크기가 약 15 내지 약 35 ㎛인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 규회석은 단면 직경이 약 1 내지 약 10 ㎛이고, 가공 후 길이가 약 30 내지 약 40 ㎛인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제4항 중 어느 한 항에 있어서, 상기 마이카 및 상기 규회석의 중량비는 약 1 : 0.2 내지 약 1 : 1.5인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제5항 중 어느 한 항에 있어서, 상기 마이카 및 상기 포타슘 디스테아릴 포스페이트의 중량비는 약 1 : 0.01 내지 약 1 : 0.1인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제6항 중 어느 한 항에 있어서, 상기 액정 중합체 조성물은 푸쉬-풀(Push-Pull) 장비를 이용하여, 0.5 mm/s 속도로 당겨 측정한 9 mm × 9 mm × 3 mm 크기 시편의 웰드 강도가 약 8.6 내지 약 20 N인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제7항 중 어느 한 항에 있어서, 상기 액정 중합체 조성물은 ASTM D790에 의거하여, 2.8 mm/min의 속도로 측정한 두께 1/4" 시편의 굴곡탄성률이 약 120,000 내지 약 140,000 kgf/cm2인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제8항 중 어느 한 항에 있어서, 상기 액정 중합체 조성물은 직경 0.65 mm의 볼 포인트 팁(텅스텐 카바이드)을 알루미늄 스틱에 부착(총 중량 40 g)하고, 이를 3 cm 높이에서 3.2 mm 두께 시편에 떨어뜨린 다음, 광학 프로파일러로 측정한 표면 덴트 깊이(surface dent depth)가 약 10 내지 약 20 ㎛인 것을 특징으로 하는 액정 중합체 조성물.
- 제1항 내지 제9항 중 어느 한 항에 있어서, 상기 액정 중합체 조성물은 돌기가 8개 있는 32 mm × 16 mm × 9 mm 크기의 레고 블록 모양 시편을 30 cm × 30 ㎝ × 100 cm 크기의 텀블러에 넣고, 7 rpm의 조건에서 2,000회 회전시키는 텀블러 평가 후, 하기 식 1에 따라, 측정한 분진 생성량이 약 1,000 내지 약 3,500 ppm인 것을 특징으로 하는 액정 중합체 조성물:[식 1]분진 생성량 = (W1 - W2) / W1상기 식 1에서, W1은 텀블러 평가 전 시편의 무게이고, W2는 텀블러 평가 후 시편의 무게이다.
- 제1항 내지 제10항 중 어느 한 항에 따른 액정 중합체 조성물로부터 형성되는 것을 특징으로 하는 성형품.
- 제11항에 있어서, 상기 성형품은 콤팩트 카메라 모듈 부품인 것을 특징으로 하는 성형품.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380051138.1A CN119546694A (zh) | 2022-06-08 | 2023-05-31 | 液晶聚合物组合物及由该组合物制备的成型品 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2022-0069431 | 2022-06-08 | ||
| KR1020220069431A KR102947947B1 (ko) | 2022-06-08 | 2022-06-08 | 액정 중합체 조성물 및 이로부터 제조된 성형품 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023239103A1 true WO2023239103A1 (ko) | 2023-12-14 |
Family
ID=89118555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/007411 Ceased WO2023239103A1 (ko) | 2022-06-08 | 2023-05-31 | 액정 중합체 조성물 및 이로부터 제조된 성형품 |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR102947947B1 (ko) |
| CN (1) | CN119546694A (ko) |
| WO (1) | WO2023239103A1 (ko) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20250156894A (ko) * | 2024-04-25 | 2025-11-04 | 롯데케미칼 주식회사 | 액정 중합체 조성물 및 이로부터 제조된 성형품 |
| KR20250171520A (ko) * | 2024-05-29 | 2025-12-09 | 롯데케미칼 주식회사 | 액정 중합체 조성물 및 이로부터 제조된 성형품 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1992666A1 (en) * | 2006-02-13 | 2008-11-19 | Polyplastics Co., Ltd. | Thermoplastic resin composition and liquid crystal display part or information recording medium part using the composition |
| KR20100075748A (ko) * | 2008-12-25 | 2010-07-05 | 스미또모 가가꾸 가부시키가이샤 | 액정성 폴리에스테르 수지 조성물 및 이것을 사용한 커넥터 |
| JP2011208014A (ja) * | 2010-03-30 | 2011-10-20 | Sumitomo Chemical Co Ltd | 液晶ポリエステル組成物及びその成形体 |
| KR20210148198A (ko) * | 2019-03-20 | 2021-12-07 | 티코나 엘엘씨 | 카메라 모듈에서 사용하기 위한 중합체 조성물 |
| KR102397208B1 (ko) * | 2018-11-15 | 2022-05-12 | 포리프라스틱 가부시키가이샤 | 액정성 수지 조성물 및 상기 액정성 수지 조성물의 성형품을 포함하는 커넥터 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008095092A (ja) | 2006-09-15 | 2008-04-24 | Toray Ind Inc | ポリエステル樹脂組成物 |
| WO2020226034A1 (ja) | 2019-05-08 | 2020-11-12 | 三菱エンジニアリングプラスチックス株式会社 | ポリカーボネート樹脂組成物 |
| JP7558771B2 (ja) | 2020-11-24 | 2024-10-01 | 上野製薬株式会社 | ポリエチレン樹脂組成物 |
-
2022
- 2022-06-08 KR KR1020220069431A patent/KR102947947B1/ko active Active
-
2023
- 2023-05-31 WO PCT/KR2023/007411 patent/WO2023239103A1/ko not_active Ceased
- 2023-05-31 CN CN202380051138.1A patent/CN119546694A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1992666A1 (en) * | 2006-02-13 | 2008-11-19 | Polyplastics Co., Ltd. | Thermoplastic resin composition and liquid crystal display part or information recording medium part using the composition |
| KR20100075748A (ko) * | 2008-12-25 | 2010-07-05 | 스미또모 가가꾸 가부시키가이샤 | 액정성 폴리에스테르 수지 조성물 및 이것을 사용한 커넥터 |
| JP2011208014A (ja) * | 2010-03-30 | 2011-10-20 | Sumitomo Chemical Co Ltd | 液晶ポリエステル組成物及びその成形体 |
| KR102397208B1 (ko) * | 2018-11-15 | 2022-05-12 | 포리프라스틱 가부시키가이샤 | 액정성 수지 조성물 및 상기 액정성 수지 조성물의 성형품을 포함하는 커넥터 |
| KR20210148198A (ko) * | 2019-03-20 | 2021-12-07 | 티코나 엘엘씨 | 카메라 모듈에서 사용하기 위한 중합체 조성물 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20230168762A (ko) | 2023-12-15 |
| KR102947947B1 (ko) | 2026-04-02 |
| CN119546694A (zh) | 2025-02-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2023239103A1 (ko) | 액정 중합체 조성물 및 이로부터 제조된 성형품 | |
| WO2011049378A2 (ko) | 전방향족 액정 폴리에스테르 수지 컴파운드, 상기 수지 컴파운드의 제조방법, 광픽업용 부품, 및 상기 부품의 제조방법 | |
| US7892450B2 (en) | Liquid crystalline polymer composition and molded article made of the same | |
| JP6533880B1 (ja) | 液晶ポリエステル樹脂 | |
| JP6533881B1 (ja) | 液晶ポリエステル樹脂 | |
| KR20190024705A (ko) | 액정 폴리에스테르 수지 | |
| KR20020063621A (ko) | 소립자 충전제를 함유하는 액상 결정질 중합체 조성물 | |
| EP0350222A2 (en) | Polyester resin exhibiting optical anisotropy in molten state and resin composition | |
| TW201930393A (zh) | 液晶聚酯組成物及方法 | |
| US4918154A (en) | Polyester resin exhibiting optical anisotropy in molten state and composition thereof | |
| JP2018012789A (ja) | 液晶ポリマー | |
| WO2020070904A1 (ja) | 液晶ポリエステル樹脂 | |
| US6348163B1 (en) | Liquid crystalline polyesters compositions containing aromatic phosphonites and a process for the preparation thereof | |
| WO2012011664A2 (ko) | 방향족 액정 폴리에스테르 수지의 제조방법 및 방향족 액정 폴리에스테르 수지 컴파운드의 제조방법 | |
| WO2023027437A1 (ko) | 액정 중합체 조성물 및 이로부터 제조된 성형품 | |
| CN112341609A (zh) | 液晶聚酯树脂 | |
| US4937310A (en) | Polyester resin exhibiting optical anisotropy in molten state and composition thereof | |
| WO2012118262A1 (ko) | 전방향족 폴리에스테르 아미드 공중합체 수지, 상기 수지를 포함하는 필름, 상기 필름을 포함하는 연성 금속박 적층판, 및 상기 연성 금속박 적층판을 구비하는 연성 인쇄 회로기판 | |
| CN111825833B (zh) | 液晶聚酯树脂 | |
| US4920197A (en) | Polyester resin exhibiting optical anisotropy in molten state which contains a low concentration of 6-oxy-2-naphthoyl units and composition thereof | |
| WO2025183404A1 (ko) | 열가소성 수지 조성물 및 이로부터 형성된 성형품 | |
| WO2023075316A1 (ko) | 액정 중합체 조성물 및 이로부터 제조된 성형품 | |
| WO2025226002A1 (ko) | 액정 중합체 조성물 및 이로부터 제조된 성형품 | |
| US4910284A (en) | Polyester resin exhibiting anisotropy in molten state and composition thereof | |
| WO2020070903A1 (ja) | 液晶ポリエステル樹脂 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23820039 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202380051138.1 Country of ref document: CN |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWP | Wipo information: published in national office |
Ref document number: 202380051138.1 Country of ref document: CN |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 23820039 Country of ref document: EP Kind code of ref document: A1 |