Title:
POLYMER COMPOSITIONS COMPRISING BROAD MOLECULAR WEIGHT DISTRIBUTION POLYPROPYLENE AND ARTICLES THEREFROM
Document Type and Number:
WIPO Patent Application WO/2018/208398
Kind Code:
A8
Abstract:
A composition suitable for a film having a 1% secant flexural modulus (MD or TD) of at least 55,000 psi and a dart drop impact of at least 500 g is provided. The composition comprises a broad molecular weight distribution polypropylene with at least 50 mol% propylene and having: a molecular weight distribution (Mw/Mn) greater than 6, a branching index (g'vis) of at least 0.95, and a melt strength of at least 2 cN; and a polyethylene with at least 70 mol% ethylene and having: a density of from 0.910 to 0.923 g/cm3, a melt index (I2) of from 0.1 to 1.2 g/10 min, a melt index ratio (I21/I2) of from 20 to 35, a weight average molecular weight (Mw) of from 150,000 to 400,000 g/mol, and an orthogonal comonomer distribution and/or at least a first peak and at least a second peak in a comonomer distribution analysis.
Inventors:
SCHMITT SASHA (US)
OHLSSON STEFAN (BE)
BARAN TYLER (US)
BYLINA EDWARD (US)
PEHLERT GEORGE (US)
OHLSSON STEFAN (BE)
BARAN TYLER (US)
BYLINA EDWARD (US)
PEHLERT GEORGE (US)
Application Number:
PCT/US2018/026446
Publication Date:
June 13, 2019
Filing Date:
April 06, 2018
Export Citation:
Assignee:
EXXONMOBIL CHEMICAL PATENTS INC (US)
International Classes:
C08J5/18; B32B27/08; B32B27/32; C08F10/02; C08F10/06; C08L23/06; C08L23/12
Attorney, Agent or Firm:
FAULKNER, Kevin, M. et al. (US)
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