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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Применить Всего найдено 15. Отображено 15.
09-04-2020 дата публикации

ETHYLENE-BASED POLYMERS WITH IMPROVED OPTICS

Номер: US20200109223A1
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight ≥500,000 g/mol. 1. A composition comprising an ethylene-based polymer , wherein the ethylene-based polymer comprises the following properties:a) an Mw(abs) from 130,000 to 162,000 g/mol;b) a melt index (12) from 1.5 to 3.0 g/10 min; andc) an ADF LS from 0.350 to 0.450 for molecular weight ≥500,000 g/mol.2. The composition of claim 1 , wherein the ethylene-based polymer further comprises an ADF IR from 0.200 to 0.250 for molecular weight ≤15 claim 1 ,000 g/mol.3. The composition of claim 1 , wherein the ethylene-based polymer further comprises an ADF DV from 0.180 to 0.240 for molecular weight ≥200 claim 1 ,000 g/mol.4. The composition of claim 1 , wherein the ethylene-based polymer further comprises an ADF DV ≤0.210 for molecular weight ≥200 claim 1 ,000 g/mol.5. The composition of claim 1 , wherein the ethylene-based polymer has a density is from 0.923 to 0.927 g/cc (1 cc=1 cm).6. The composition of claim 1 , wherein the ethylene-based polymer has a 45° gloss ≥72% claim 1 , and a 2% MD secant mod. >30 claim 1 ,000 psi claim 1 , for a 2.0±0.3 mil film thickness.7. The composition of claim 1 , wherein the ethylene-based polymer has a ratio of MD shrink tension to CD shrink tension of less than 7.0 with a CD shrink tension greater than 0.9 claim 1 , each for a 2.0±0.3 mil film thickness.8. The composition of claim 1 , wherein the ethylene-based polymer is an LDPE.9. The composition of claim 1 , wherein the composition comprises a second ethylene-based polymer.10. An article comprising at least one component formed from the composition of . This application claimes the benefit of U.S. Provisional Application 62/474,134, filed on Mar. 21, 2017.There is a need for a LDPE resin that has good optics and good ...

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09-04-2020 дата публикации

ETHYLENE-BASED POLYMERS AND PROCESSES TO MAKE THE SAME

Номер: US20200109271A1
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer, which comprises the following properties: a) (Mw(abs)/Mw(conv)−2.00)*(100,000 g/mol/Mw(abs))*CDF?IR #191 (MW≤10,000 g/mol)≥0.030; and b) a melt index (I2) from 0.30 to 2.50 g/10 min. 1. A composition comprising an ethylene-based polymer , which comprises the following properties:{'sub': 'IR', 'a) (Mw(abs)/Mw(conv)−2.00)*(100,000 g/mol/Mw(abs))*CDF(MW≤10,000 g/mol)≥0.030; and'}b) a melt index (I2) from 0.30 to 2.50 g/10 min.2. The composition of claim 1 , wherein the ethylene-based polymer has a CDF(at MW≤10 claim 1 ,000 g/mol)≥0.150.3. The composition of claim 1 , wherein the ethylene-based polymer has a CDF(at a MW≥1.2×10g/mol)≥0.020.4. The composition of claim 1 , wherein the ethylene-based polymer has a CDFs (at MW≥750 claim 1 ,000 g/mol)≥0.400.5. The composition of claim 1 , wherein the ethylene-based polymer has Mw(conv)/Mn(conv) from 7.00 to 11.00.6. The composition of claim 1 , wherein the ethylene-based polymer is formed in a reactor configuration comprising at least one tubular reactor.7. The composition of claim 1 , wherein the composition further comprises another polymer different from the ethylene-based polymer.8. The composition of claim 1 , wherein the ethylene-based polymer is a low density polyethylene (LDPE).9. An article comprising at least one component formed from the composition of .10. The article of claim 9 , wherein the article is a film. The present application claims the benefit of U.S. Application No. 62/338,283, filed on May 18, 2016, and incorporated herein by reference.Blown film production lines are typically limited in output by bubble stability. Blending Linear Low Density Polyethylene (LLDPE) with Low Density Polyethylene (LDPE) increases bubble stability, in part, due to the higher melt strength (MS) of the LDPE, and the increase in MS helps provide for an increase in film output. However, high MS resins typically have reduced the optics and toughness of the film. There is a need ...

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20-08-2020 дата публикации

ETHYLENE-BASED POLYMERS AND PROCESSES TO MAKE THE SAME

Номер: US20200263008A1
Принадлежит: Dow Global Technologies LLC

The invention provides a composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) a Mw(abs)/Mw(conv)>2.60; and b) a CDFR(at Mw<10,000 g/mole)>0.145. 110-. (canceled)12. The composition of claim 11 , wherein the ethylene-based polymer has a CDF(at a MW≥1.2×10g/mol)≥0.05 claim 11 , wherein CDF(at a MW≥1.2×10g/mol) is a cumulative detector fraction from the viscosity detector computed by measuring an area fraction of a GPC viscosity chromatogram at greater than 1.2×10g/mol.13. The composition of claim 11 , wherein the ethylene-based polymer has an IV (intrinsic viscosity) (units=dl/g)≥1.00 dl/g claim 11 , intrinsic viscosity (Absolute by viscometer on-line by GPC) or IV (bulk).14. The composition of claim 11 , wherein the ethylene-based polymer has an Mw(abs) from 400 claim 11 ,000 g/mol to 600 claim 11 ,000 g/mol.15. The composition of claim 11 , wherein the ethylene-based polymer has a CDF(at MW≥750 claim 11 ,000 g/mol)≥0.45 claim 11 , wherein the CDFis computed by measuring the area fraction of a GPC LALLS detector chromatogram at greater than 750 claim 11 ,000 g/mol.16. The composition of claim 11 , wherein the ethylene-based polymer has a “peak melt strength at 190° C.” greater than “−65*(Iat 190° C.)+34 cN” and less than “−65*(Iat 190° C.)+43 cN” claim 11 , wherein Iis measured according to ASTM D1238 at 190° C. and a 2.16 kg load.17. The composition of claim 11 , wherein the ethylene-based polymer has Mw(conv)/Mn(conv) (cc-GPC Mw/Mn) from 9 to 13 claim 11 , wherein Mn(conv) is number average molecular weight determined by conventional GPC molecular weight calibration.18. The composition of claim 11 , wherein the ethylene-based polymer has a melt index (I) from 0.01 to 1.00 g/10 min when measured according to ASTM D1238 at 190° C. and a 2.16 kg load.19. The composition of claim 11 , wherein the ethylene-based polymer is a low density polyethylene (LDPE).20. An article comprising at least one ...

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01-09-2020 дата публикации

Ethylene-based polymers and processes to make the same

Номер: US10759928B2
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer, which comprises the following properties: a) (Mw(abs)/Mw(conv)−2.00)*(100,000 g/mol/Mw(abs))*CDF?IR #191 (MW≤10,000 g/mol)≥0.030; and b) a melt index (I2) from 0.30 to 2.50 g/10 min.

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15-11-2018 дата публикации

Ethylene-based polymers with improved optics

Номер: WO2018175277A8
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight ≥ 500,000 g/mol.

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07-09-2022 дата публикации

Ethylene-based polymers with improved optics

Номер: EP3601380B1
Принадлежит: Dow Global Technologies LLC

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07-09-2018 дата публикации

Ethylene-based polymers with good processability for use in multilayer films

Номер: WO2018160558A1
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer which comprises the following properties: a) MWD(conv) from 3.0 to 7.0; b) an ADF IR between 0.230 and 0.260 for molecular weight ≤ 15,000 g/mol c) I2 from 4.0 to 6.5 g/10 min.

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09-02-2022 дата публикации

Ethylene-based polymers with good processability for use in multilayer films

Номер: ES2893526T3
Принадлежит: Dow Global Technologies LLC

Una composición que comprende un polímero basado en etileno que comprende las siguientes propiedades: a) Distribución de Peso Molecular (MWD (conv)) de 3,0 a 7,0 medida según Cromatografía de Permeabilidad de Gel convencional (GPC); b) una Fracción de Detector de Área de infrarrojos (ADF IR) de 0,230 a 0,260 para un peso molecular <= 15.000 g/mol medido según GPC usando un detector de infrarrojos; c) un índice de fluidez (I2) de 4,0 a 6,5 g/10 min medido de acuerdo con ASTM D 1238-10, Condición 190 °C/2,16 kg, Procedimiento B. A composition comprising an ethylene-based polymer comprising the following properties: a) Molecular Weight Distribution (MWD(conv)) of 3.0 to 7.0 as measured by conventional Gel Permeability Chromatography (GPC); b) an infrared Area Detector Fraction (IR ADF) of 0.230 to 0.260 for a molecular weight <= 15,000 g/mol measured by GPC using an infrared detector; c) a Melt Flow Index (I2) of 4.0 to 6.5 g/10 min measured in accordance with ASTM D 1238-10, Condition 190 °C/2.16 kg, Procedure B.

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18-10-2022 дата публикации

COMPOSITION AND ARTICLE

Номер: BR112018071511B1
Принадлежит: Dow Global Technologies LLC

Uma composição compreendendo um polímero à base de etileno que compreende as seguintes propriedades: a) (Mw(abs)/Mw(conv) - 2,00) * (100.000 g/mol / Mw(abs)) * CD?FIR#191 (MW 10.000 g/mol) 0,030; e b) um índice de fusão (I2) de 0,30 a 2,50 g/10 min. A composition comprising an ethylene-based polymer comprising the following properties: a) (Mw(abs)/Mw(conv) - 2.00) * (100,000 g/mol / Mw(abs)) * CD?FIR#191 (MW 10,000 g/mol) 0.030; and b) a melt index (I 2 ) of 0.30 to 2.50 g/10 min.

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16-12-2019 дата публикации

Ethylene-based polymers with improved optics.

Номер: MX2019010775A
Принадлежит: Dow Global Technologies LLC

Una composición que comprende un polímero a base de etileno, en donde el polímero a base de etileno comprende las siguientes propiedades: a) un Mw (abs) de 130,000 a 162,00 g/mol; b) un índice de fusión (I2) de 1.5 a 3.0 g/10 min; c) un ADF LS de 0.350 a 0.450 para un peso molecular = 500,000 g/mol.

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31-08-2017 дата публикации

Ethylene-based polymers and processes to make the same

Номер: WO2017146981A1
Принадлежит: Dow Global Technologies LLC

The invention provides a composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) a Mw(abs)/Mw(conv) > 2.60; and b) a CDFR IR (at Mw < 10,000 g/mole) > 0.145.

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24-08-2021 дата публикации

Ethylene-based polymers with good processability for use in multilayer films

Номер: US11098183B2
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer which comprises the following properties: a) MWD(conv) from 3.0 to 7.0; b) an ADF IR between 0.230 and 0.260 for molecular weight ≤15,000 g/mol c) 12 from 4.0 to 6.5 g/10 min.

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07-04-2020 дата публикации

ethylene-based polymers with improved optics

Номер: BR112019018807A2
Принадлежит: Dow Global Technologies LLC

uma composição compreendendo um polímero à base de etileno, em que o polímero à base de etileno compreende as seguintes propriedades: a) um mw(abs) de 130.000 a 162.00 g/mol; b) um índice de fusão (i2) de 1,5 a 3,0 g/10 min.; e c) um adf ls de 0,350 a 0,450 para peso molecular = 500.000 g/mol.

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17-11-2020 дата публикации

Ethylene-based polymers with improved optics

Номер: US10836852B2
Принадлежит: Dow Global Technologies LLC

A composition comprising an ethylene-based polymer, wherein the ethylene-based polymer comprises the following properties: a) an Mw(abs) from 130,000 to 162,000 g/mol; b) a melt index (I2) from 1.5 to 3.0 g/10 min; c) an ADF LS from 0.350 to 0.450 for molecular weight ≥500,000 g/mol.

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19-09-2023 дата публикации

Composição de polímero à base de etileno com óptica melhorada e artigo

Номер: BR112019018807B1
Принадлежит: Dow Global Technologies LLC

Uma composição compreendendo um polímero à base de etileno, em que o polímero à base de etileno compreende as seguintes propriedades: a) um Mw(abs) de 130.000 a 162.00 g/mol; b) um índice de fusão (I2) de 1,5 a 3,0 g/10 min.; e c) um ADF LS de 0,350 a 0,450 para peso molecular = 500.000 g/mol.

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