WO2015068865A1 - 윤활제를 포함하는 첨가제 조성물 - Google Patents
윤활제를 포함하는 첨가제 조성물 Download PDFInfo
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- WO2015068865A1 WO2015068865A1 PCT/KR2013/009958 KR2013009958W WO2015068865A1 WO 2015068865 A1 WO2015068865 A1 WO 2015068865A1 KR 2013009958 W KR2013009958 W KR 2013009958W WO 2015068865 A1 WO2015068865 A1 WO 2015068865A1
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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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/10—Esters; Ether-esters
- C08K5/101—Esters; Ether-esters of monocarboxylic acids
- C08K5/103—Esters; Ether-esters of monocarboxylic acids with polyalcohols
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
- C10M159/12—Reaction products
- C10M159/18—Complexes with metals
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0083—Nucleating agents promoting the crystallisation of the polymer matrix
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/06—Ethers; Acetals; Ketals; Ortho-esters
-
- 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
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
Definitions
- the present invention relates to an additive composition comprising a lubricant, and in particular, by using a metal lubricant having a specific structure in a sorbitol-based nucleating agent, which is an additive used in the production of polyolefin, to improve the lubricity of the nucleating agent, lower the melting temperature and crystallize the polyolefin.
- the present invention relates to an additive composition for producing a polyolefin having excellent transparency by increasing the speed and minimizing shrinkage.
- polymers have characteristics such as molecular weight size, molecular weight distribution, conformational shape, composition distribution, conformation of regularity, crystal structure, amorphous structure, molecular orientation, phase structure, etc. in order to realize performance and function suitable for the purpose of the product. Adjust and produce and process.
- the nucleating agent controls the crystal structure of the polymer.
- a nucleating agent when added to a polymer, there is an effect of improving rigidity, improving transparency, improving gloss, and shortening the molding cycle.
- a crystalline resin such as polypropylene is cooled in a molten state and then cured to a solid state, and thus crystallinity is increased by a nucleating agent, thereby suppressing light scattering to improve transparency and gloss.
- polypropylene nucleating agents examples include AI-PTBBA and sorbitol.
- sorbitol system is widely used because it shows an excellent effect on the rigidity and transparency.
- nucleating agents When the nucleating agents are added, various physical properties can be obtained. In this case, it is very important to uniformly disperse the nucleating agent in order to maximize the performance of the nucleating agent. In the case of non-uniform dispersion, not only the physical properties such as rigidity and transparency of the prepared polymer are significantly lowered, but also the manufacturing process is not smooth.
- the sorbitol-based nucleating agent has been developed actively due to its excellent effect, the sorbitol-based nucleating agent itself has serious adhesiveness and cohesiveness, causing problems from the feeding stage, and even after mixing, there is a serious problem that uniform dispersion does not occur even during mixing.
- the molding temperature is high, the shrinkage of the resin occurs during injection may cause a problem that the thickness of the resin is deformed.
- the nucleating agent is attached to the die, die, roll, etc., the defect may appear in the product.
- polypropylene oriented film having excellent transparency using polyvinylcycloalkane, poly (3-methyl-1-butene), polyalkenylsilane, etc., which are high melting point polymer nucleating agents, are used.
- the high melting point polymer nucleating agent has a limit to use in the form of a single powder, there was a difficulty in replacing the sorbitol-based nucleating agent.
- additives that can improve the transparency and stiffness of the prepared polymer by solving the physical disadvantages such as adhesion and cohesion of the nucleating agent, and improving the processability by lowering the processing temperature in the polymer processing process, and lowering the crystallization rate Development of the composition was urgent.
- An object of the present invention is to solve the physical disadvantages of the sorbitol-based nucleating agent, which is an additive added during manufacture, to solve problems of adhesiveness and cohesion, to improve processability, and to prevent shrinkage of the resin during injection.
- the sorbitol-based nucleating agent which is an additive added during manufacture
- problems of adhesiveness and cohesion to improve processability, and to prevent shrinkage of the resin during injection.
- An additive composition according to an embodiment of the present invention for achieving the above object is (a) a sorbitol acetal compound; And (b) a metal lubricant.
- the metal lubricant is Li, Zn, Al, Ca, Mg, Co, Cu, Ti, Na, Zr, K, Ba, Mn or instead of hydrogen present in the functional group of saturated or unsaturated fatty acids of C5 ⁇ C25 It is characterized in that Sn is a substituted metal salt.
- the additive composition of the present invention includes a metal lubricant to improve the problems of adhesion and cohesion, the defect rate of the product is significantly lowered when used in the production of polyolefin, and the transparency and rigidity of the produced polyolefin are excellent.
- An additive composition according to an embodiment of the present invention includes (a) a sorbitol acetal compound; And (b) a metal lubricant, wherein (b) the metal lubricant is Li, Zn, Al, Ca, Mg, Co, Cu, Ti, Na, instead of hydrogen present in a functional group of a saturated or unsaturated fatty acid of C5-C25. Zr, K, Ba, Mn or Sn is characterized in that the substituted metal salt.
- the (a) sorbitol acetal compound serves as a nucleating agent, and specifically 1,3: 2,4-bis (p-methylbenzylidene) sorbitol; Bis (3,4-dimethylbenzylidene) sorbitol; Bis (p-ethylbenzylidene) sorbitol; Bis (p-methylbenzylidenesorbitol); Dibenzylidene sorbitol; Preference is given to using 1,2,3-trideoxy-4,6: 5,7-bis-O-[(4-propylphenyl) methylene] -nonitol and the like.
- the (a) sorbitol acetal compound is sodium benzoate salt; Lithium benzoate salt; Aluminum benzoate; Micronized talc; It may further comprise an organophosphorous salt.
- the (b) metal lubricant is (a) mixed or coated on the surface of the sorbitol acetal compound (a) weakens the adhesiveness and cohesive force of the sorbitol acetal compound to improve the flowability, lower the processing temperature to improve the workability to improve the resin during injection There is no shrinkage phenomenon of the resin to solve the problem of deformation of the thickness, improve the transparency of the prepared polymer product, and serves to improve the dispersibility in the polymer during polyolefin production.
- the metal lubricant is Li, Zn, Al, Ca, Mg, Co, Cu, Ti, Na, Zr, K, Ba, Mn instead of hydrogen present in the functional group of saturated or unsaturated fatty acids of C5-C25 Or Sn is a substituted metal salt.
- Sn is a substituted metal salt.
- magnesium stearate, calcium stearate, zinc stearate, lithium stearate, sodium stearate, aluminum stearate, and the like are included.
- the Mv (volume average particle diameter) value of the metal lubricant is preferably less than 20 ⁇ m, the D90 value is less than 50 ⁇ m, the Mv value is less than 10.0 ⁇ m, and the D90 value is particularly preferably less than 30.0 ⁇ m.
- the D90 value of less than 50 ⁇ m means that 90% (vol%) of the metal lubricant fraction in the additive composition of the present invention is less than about 50 ⁇ m in diameter.
- the content of the metal lubricant (b) is preferably 0.01 to 30 parts by weight, particularly 1 to 5 parts by weight based on 100 parts by weight of the additive composition. If the content is less than the above range, there is a problem that the effects of flowability and dispersibility are weak, and if it is exceeded, the transparency of the product is not good.
- the method of complexing the metal lubricant of the formula (b) with the sorbitol acetal compound of (a) there are a method of adding and complexing the compound and adding it after preparation during the preparation of the sorbitol acetal compound.
- the method of mixing and complexing includes simple mixing, grinding mixing, coating mixing, melt mixing, and the like.
- the present invention includes a polyolefin-based composition comprising the additive composition according to the present invention.
- the polyolefin-based composition of the present invention When using the additive composition containing the metal lubricant of the present invention, the workability is improved, the polyolefin-based composition of the present invention has excellent quality to transparency.
- the product manufactured using the polyolefin-based composition including the additive composition of the present invention may be a transparent container, a sheet, a film, a medical product or a stationery product. Since the additive composition including the metal lubricant of the present invention is excellent in flowability and dispersibility, it is possible to reduce energy by lowering the processing temperature and to prepare a polyolefin-based composition having excellent physical properties with a certain quality.
- the additive composition of the Example was prepared in powder form by complexing a metal lubricant and a sorbitan acetal compound using a Henschel mixer under the conditions of Table 1 below. Meanwhile, as a comparative example, a sorbitan acetal compound containing no metal lubricant of the present invention was prepared.
- Example 1 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol Magnesium stearate 5 parts by weight
- Example 2 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol Calcium stearate 5 parts by weight
- Example 3 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol Zinc stearate 5 parts by weight
- Example 4 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol 12- Magnesium stearate 5 parts by weight
- Example 5 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol Lithium stearate 5 parts by weight
- Example 6 95 parts by weight of bis (3,4-dimethylbenzylidene) sorbitol sodium stearate 5 parts by weight
- Example 7 95 parts by weight of bis (3,4-dimethylbenzylid
- the Mv (volume average particle diameter) value of the metal lubricant used in the above example was 10.0 ⁇ m, and the D90 value was 30.0 ⁇ m, and the hydrophobic SiO 2 used in the comparative example had a Mv of 0.5 ⁇ m and a D90 value.
- the Mv (volume average particle diameter) value of the metal lubricant used in the above example was 10.0 ⁇ m
- the D90 value was 30.0 ⁇ m
- the hydrophobic SiO 2 used in the comparative example had a Mv of 0.5 ⁇ m and a D90 value.
- Powder fluidity is described by flow characteristics such as adhesion strength, internal friction, wall friction, shear strength, tensile strength, apparent specific gravity, and the like. Powder flowability was measured by KS L 1618-4 (2003) (Fine-ceramic granularity measurement method: flowability), and apparent specific gravity was measured by ASTM D1895-96.
- Laser diffraction analysis was performed by conventional techniques used to measure the particle size distribution of powders.
- the particle size distribution is determined by calculating parameters measured from a laser diffraction analyzer by dispersing the sample in a liquid and passing it through a transparent cell illuminated by a laser to detect scattering patterns from the laser by means of a spectral diode array. It was.
- Mv used in the present invention is the arithmetic mean particle size measured in volume
- D90 means a particle size corresponding to 90% of the cumulative volume distribution.
- Example 1 2.3 0.31 2.46
- Example 2 2.4 0.32 2.43
- Example 3 2.4 0.32 2.48
- Example 4 2.4 0.32 2.43
- Example 5 2.2 0.30 2.43
- Example 6 2.1 0.29 2.43
- Example 7 2.2 0.29 2.43 Comparative Example 1 1.2 0.29 2.67 Comparative Example 2 1.6 0.32 2.55
- the polypropylene random copolymer flakes and the additive composition prepared by the Examples and Comparative Examples, the first antioxidant (Iganox 1010), the second antioxidant (Igafos 168), the antistatic agent were mixed, the extruder at about 230 °C After formulating the mixture, the formulated resin was molded into plaques at a melt temperature of about 230 ° C. to prepare samples of physical properties. Specific sample preparation compositions are shown in Table 3 below.
- IZOD impact strength It measured at the temperature of 23 degreeC, and 50% of a relative humidity based on ASTMD256.
- Crystallization temperature The temperature rising rate was measured at 10 ° C / min using a DSC equipment.
- KS A 0067 Lab color system and Luv color system were used for measuring the color of the object. The color value was confirmed by * b of Lab color system.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Lubricants (AREA)
Abstract
Description
| 솔비탈 아세탈 화합물 | 금속윤활제 | 비고 | |
| 실시예1 | 비스(3,4-디메틸벤질리덴)솔비톨 95중량부 | Magnesium stearate5중량부 | |
| 실시예2 | 비스(3,4-디메틸벤질리덴)솔비톨 95중량부 | Calcium stearate5중량부 | |
| 실시예3 | 비스(3,4-디메틸벤질리덴)솔비톨 95중량부 | Zinc stearate5중량부 | |
| 실시예4 | 비스(3,4-디메틸벤질리덴)솔비톨 95중량부 | 12- Magnesium stearate5중량부 | |
| 실시예5 | 비스(3,4-디메틸벤질리덴)솔비톨 95중량부 | Lithium stearate5중량부 | |
| 실시예6 | 비스(3,4-디메틸벤질리덴)솔비톨95중량부 | sodium stearate5중량부 | |
| 실시예7 | 비스(3,4-디메틸벤질리덴)솔비톨95중량부 | aluminum stearate5중량부 | |
| 비교예1 | 비스(3,4-디메틸벤질리덴)솔비톨 100중량부 | - | - |
| 비교예2 | 비스(3,4-디메틸벤질리덴)솔비톨 97중량부 | - | 소수성 SiO2 3중량부 |
| 유동성 | 겉보기 비중 | 평균입도(㎛) | |
| 실시예1 | 2.3 | 0.31 | 2.46 |
| 실시예2 | 2.4 | 0.32 | 2.43 |
| 실시예3 | 2.4 | 0.32 | 2.48 |
| 실시예4 | 2.4 | 0.32 | 2.43 |
| 실시예5 | 2.2 | 0.30 | 2.43 |
| 실시예6 | 2.1 | 0.29 | 2.43 |
| 실시예7 | 2.2 | 0.29 | 2.43 |
| 비교예1 | 1.2 | 0.29 | 2.67 |
| 비교예2 | 1.6 | 0.32 | 2.55 |
| 샘플1 | 샘플2 | 샘플3 | 샘플4 | 샘플5 | 샘플6 | 샘플7 | 샘플8 | 샘플9 | |
| 제1산화방지제 | 20중량부 | 20중량부 | 20중량부 | 20중량부 | 20중량부 | 20중량부 | 20중량부 | 20중량부 | 20중량부 |
| 제2산화방지제 | 20중량부 | 20중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 |
| 대전방지제 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 | 10중량부 |
| 실시예1의 첨가제조성물 | 50중량부 | - | - | - | - | - | - | ||
| 실시예2의 첨가제조성물 | - | 50중량부 | - | - | - | - | - | ||
| 실시예3의 첨가제조성물 | - | - | 50중량부 | - | - | - | - | ||
| 실시예4의 첨가제조성물 | - | - | - | 50중량부 | - | - | - | ||
| 실시예5의 첨가제조성물 | - | - | - | - | 50중량부 | - | - | ||
| 실시예6의 첨가제조성물 | 50중량부 | - | |||||||
| 실시예7의 첨가제조성물 | - | 50중량부 | |||||||
| 비교예1의 첨가제조성물 | - | - | - | - | - | - | - | 50중량부 | - |
| 비교예2의 첨가제조성물 | - | - | - | - | - | - | - | - | 50중량부 |
| 샘플1 | 샘플2 | 샘플3 | 샘플4 | 샘플5 | 샘플6 | 샘플7 | 샘플8 | 샘플9 | |
| 용융지수(MI)(g/10min) | 14.6.6 | 14.5 | 14.3 | 14.4 | 14.5 | 14.7 | 14.8 | 16.9 | 17.1 |
| 굴곡탄성율(kg/cm2) | 18,000 | 18,100 | 18,100 | 18,100 | 18.000 | 18,000 | 18,000 | 18,000 | 18,000 |
| 아이조드(IZOD)충격강도(kg.cm/cm) | 8.9 | 9.0 | 9.0 | 9.0 | 9.0 | 8.9 | 9.0 | 8.9 | 9.0 |
| 결정화 온도(℃) | 128.4 | 128.3 | 128.4 | 128.4 | 128.4 | 128.3 | 128.4 | 130.3 | 130.4 |
| 색채색차계(*b) | 0.54 | 0.63 | 0.56 | 0.58 | 0.69 | 0.68 | 0.67 | 0.66 | 0.56 |
| 단위 % | 샘플1 | 샘플2 | 샘플3 | 샘플4 | 샘플5 | 샘플6 | 샘플7 | 샘플8 | 샘플9 | |
| HAZE(1mm) | 190℃ | 12.94 | 12.70 | 12.74 | 12.88 | 12.45 | 13.25 | 13.20 | 13.45 | 13.20 |
| 210℃ | 10.52 | 10.28 | 10.32 | 10.30 | 10.40 | 10.78 | 10.84 | 11.00 | 11.00 | |
| 230℃ | 9.28 | 9.18 | 9.20 | 9.26 | 9.28 | 9.38 | 9.40 | 9.42 | 9.40 | |
| 250℃ | 8.50 | 8.42 | 8.46 | 8.44 | 8.48 | 8.54 | 8.80 | 8.94 | 8.90 | |
| 단위 % | 샘플1 | 샘플2 | 샘플3 | 샘플4 | 샘플 5 | 샘플6 | 샘플7 | 샘플8 | 샘플9 | |
| HAZE(2mm) | 190℃ | 27.34 | 27.20 | 27.26 | 27.28 | 27.46 | 27.42 | 27.52 | 28.22 | 28.32 |
| 210℃ | 20.34 | 20.32 | 20.36 | 20.36 | 20.36 | 20.34 | 20.46 | 21.34 | 21.46 | |
| 230℃ | 20.16 | 20.06 | 20.14 | 20.14 | 20.20 | 20.22 | 20.32 | 21.32 | 21.32 | |
| 250℃ | 19.80 | 19.72 | 19.70 | 19.74 | 19.75 | 19.90 | 20.00 | 21.00 | 21.00 | |
Claims (6)
- (a) 솔비톨 아세탈 화합물; 및(b) 금속윤활제;를 포함하며,상기 (b) 금속 윤활제는 C5~C25의 포화 또는 불포화지방산의 기능기에 존재하는 수소 대신 Li, Zn, Al, Ca, Mg, Co, Cu, Ti, Na, Zr, K, Ba, Mn 또는 Sn이 치환된 금속염인 것을 특징으로 하는 첨가제 조성물.
- 제 1항에 있어서,상기 화학식 1의 윤활제의 부피평균입경 값은 20㎛ 미만이고, D90값은 50㎛ 미만을 특징으로하는 첨가제 조성물.
- 제 1항에 있어서,상기 화학식 1의 윤활제의 부피평균입경 값은 10.0㎛ 미만이고, D90값은 30.0㎛ 미만인 것을 특징으로 하는 첨가제 조성물.
- 제 1항에 있어서,상기 금속윤활제의 함량은 상기 첨가제 조성물 100중량부 대비 0.01~30중량부인 것을 특징으로 하는 첨가제 조성물.
- 제 1항의 첨가제 조성물을 포함하는 폴리올레핀계 조성물.
- 제 5항의 폴리올레핀계 조성물을 포함하는 투명용기, 시트, 필름, 의료용 제품 또는 문구제품.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2013/009958 WO2015068865A1 (ko) | 2013-11-05 | 2013-11-05 | 윤활제를 포함하는 첨가제 조성물 |
| JP2016528204A JP6438471B2 (ja) | 2013-11-05 | 2013-11-05 | 潤滑剤を含む添加剤組成物 |
| US15/033,110 US20160264755A1 (en) | 2013-11-05 | 2013-11-05 | Additive composition comprising lubricant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/KR2013/009958 WO2015068865A1 (ko) | 2013-11-05 | 2013-11-05 | 윤활제를 포함하는 첨가제 조성물 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015068865A1 true WO2015068865A1 (ko) | 2015-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/KR2013/009958 Ceased WO2015068865A1 (ko) | 2013-11-05 | 2013-11-05 | 윤활제를 포함하는 첨가제 조성물 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20160264755A1 (ko) |
| JP (1) | JP6438471B2 (ko) |
| WO (1) | WO2015068865A1 (ko) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10851278B2 (en) | 2017-10-24 | 2020-12-01 | Tetra Technologies, Inc. | Stabilization and reduction of TCT of brines containing monovalent iodides |
| US10913884B2 (en) | 2016-03-24 | 2021-02-09 | Tetra Technologies, Inc | Temperature stability of polyols and sugar alcohols in brines |
| US11021645B2 (en) | 2017-10-24 | 2021-06-01 | Tetra Technologies, Inc | Stabilization and reduction of TCT of divalent iodide-containing brines |
| US11104836B2 (en) | 2016-03-24 | 2021-08-31 | Tetra Technologies, Inc. | High density, low TCT monovalent brines and uses thereof |
| US11208585B2 (en) | 2016-03-24 | 2021-12-28 | Tetra Technologies, Inc. | High density, low TCT divalent brines and uses thereof |
| US11453817B2 (en) | 2017-10-24 | 2022-09-27 | Tetra Technologies, Inc. | Stabilization of iodide-containing brines and brine mixtures |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2015371120B2 (en) * | 2014-12-22 | 2017-09-14 | Abu Dhabi Polymers Co. Ltd (Borouge) L.L.C. | Polypropylene with enhanced visual appearance |
| US10081690B2 (en) * | 2016-06-23 | 2018-09-25 | Sunko Ink Co., Ltd. | Powdery diacetal clarifying agent and method of preparing the same |
| JP7694137B2 (ja) * | 2021-05-12 | 2025-06-18 | 東洋製罐グループホールディングス株式会社 | プロピレン系樹脂組成物 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10913884B2 (en) | 2016-03-24 | 2021-02-09 | Tetra Technologies, Inc | Temperature stability of polyols and sugar alcohols in brines |
| US11104836B2 (en) | 2016-03-24 | 2021-08-31 | Tetra Technologies, Inc. | High density, low TCT monovalent brines and uses thereof |
| US11136486B2 (en) | 2016-03-24 | 2021-10-05 | Tetra Technologies, Inc. | High density, low TCT monovalent brines and uses thereof |
| US11208587B2 (en) | 2016-03-24 | 2021-12-28 | Tetra Technologies, Inc. | Temperature stability of polyols and sugar alcohols in brines |
| US11208585B2 (en) | 2016-03-24 | 2021-12-28 | Tetra Technologies, Inc. | High density, low TCT divalent brines and uses thereof |
| US11208586B2 (en) | 2016-03-24 | 2021-12-28 | Tetra Technologies, Inc. | High density, low TCT monovalent brines and uses thereof |
| US11613687B2 (en) | 2016-03-24 | 2023-03-28 | Tetra Technologies, Inc. | High density, low TCT divalent brines and uses thereof |
| US10851278B2 (en) | 2017-10-24 | 2020-12-01 | Tetra Technologies, Inc. | Stabilization and reduction of TCT of brines containing monovalent iodides |
| US11021645B2 (en) | 2017-10-24 | 2021-06-01 | Tetra Technologies, Inc | Stabilization and reduction of TCT of divalent iodide-containing brines |
| US11261362B2 (en) | 2017-10-24 | 2022-03-01 | Tetra Technologies, Inc. | Stabilization and reduction of TCT of brines containing monovalent iodides |
| US11292956B2 (en) | 2017-10-24 | 2022-04-05 | Tetra Technologies, Inc. | Stabilization and reduction of TCT of divalent iodide-containing brines |
| US11453817B2 (en) | 2017-10-24 | 2022-09-27 | Tetra Technologies, Inc. | Stabilization of iodide-containing brines and brine mixtures |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016540846A (ja) | 2016-12-28 |
| JP6438471B2 (ja) | 2018-12-12 |
| US20160264755A1 (en) | 2016-09-15 |
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