09-04-2020 дата публикации
Номер: US20200109223A1
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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