The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 25, 2021
Filed:
Nov. 05, 2018
Braskem S.a., Camaçari, BR;
Ana Paula Rodrigues Camilo, São Paulo, BR;
Giancarlos Delevati, São Paulo, BR;
Gislene Zehetmeyer, São Paulo, BR;
Mauro Alfredo Soto Oviedo, São Paulo, BR;
Braskem S.A., Camaçari, BR;
Abstract
Foamed compositions that include: one or more foamable polymers; one or more ionomeric additives; and wherein the foam composition exhibits shrinkage as determined at 70° C.*1 h according to the PFI method between 0.1 and 3.5%. Methods may include preparing a polymer composition by combining one or more foamable polymers and one or more ionomeric additives in a mixer to produce the polymer composition; and foaming the polymer composition to generate a polymer foam exhibiting shrinkage as determined at 70° C.*1 h according to the PFI method of between 0.1 and 3.5%.