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Patent Searching and Data


Title:
POLYLACTIDE FOAMS
Document Type and Number:
WIPO Patent Application WO/2019/168940
Kind Code:
A3
Abstract:
A foam that includes a polylactide polymer in the form of a star polymer having at least three arms. The foam is an open cell foam having a density no greater than 0.1 g/cm3.

Inventors:
DIRLAM PHILIP T (US)
GOLDFELD DAVID J (US)
HILLMYER MARC A (US)
Application Number:
US2019/019779
Publication Date:
May 07, 2020
Filing Date:
February 27, 2019
Export Citation:
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Assignee:
UNIV MINNESOTA (US)
International Classes:
C08J9/04; C08J9/12; C08J9/14
Foreign References:
US5210108A1993-05-11
US9138308B22015-09-22
US6303667B12001-10-16
US9806338B22017-10-31
US4013701A1977-03-22
US20170258634A12017-09-14
US9540777B12017-01-10
US7199082B12007-04-03
US20060265950A12006-11-30
Other References:
XU, LQ ET AL.: "Foaming of Poly(lactic acid) Using Supercritical Carbon Dioxide as Foaming Agent: Influence of Crystallinity and Spherulite Size on Cell Structure and Expansion Ratio", INDUSTRIAL AND ENGINEERING CHEMISTRY RESEARCH, vol. 53, no. 6, 2015, pages 2277 - 2286, XP055702675
DI, Y ET AL.: "Rheology in Processing of Polymeric Foams", ANNUAL TRANSACTIONS OF THE NORDIC RHEOLOGY SOCIETY, vol. 13, 2005, pages 37 - 43, XP055702673
Attorney, Agent or Firm:
WHELAN, Dorothy P. (US)
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