EP 4363493 A1 20240508 - POLYMER FOAM ARTICLES AND METHODS OF MAKING POLYMER FOAMS
Title (en)
POLYMER FOAM ARTICLES AND METHODS OF MAKING POLYMER FOAMS
Title (de)
POLYMERSCHAUMSTOFFARTIKEL UND VERFAHREN ZUR HERSTELLUNG VON POLYMERSCHAUMSTOFFEN
Title (fr)
ARTICLES EN MOUSSE DE POLYMÈRE ET PROCÉDÉS DE FABRICATION DE MOUSSES DE POLYMÈRE
Publication
Application
Priority
- US 202163215709 P 20210628
- US 2021049200 W 20210907
Abstract (en)
[origin: WO2023277935A1] Molded polymer foam articles are described as having a novel foam structure. The polymer foam articles include a continuous polymer matrix defining a plurality of pneumatoceles therein which is present throughout the entirety of the article. The surface region is further characterized as having compressed pneumatoceles. The novel foam structure is achieved even when molding polymer foam articles comprising a shape and volume wherein a sphere having a diameter between 2 cm and 1000 cm would fit within the article in at least one location without protruding from a surface of the article, and the article further has a total volume of more than 1000 cm3. Methods of making a stabilized molten polymer foam, and of making a molded polymer foam article using the stabilized molten polymer foam are also described.
IPC 8 full level
C08J 9/08 (2006.01); B29C 44/34 (2006.01); B29C 44/38 (2006.01)
CPC (source: EP IL KR)
B29C 44/3442 (2013.01 - EP IL KR); B29C 44/348 (2013.01 - EP IL KR); B29C 44/42 (2013.01 - IL KR); C08J 9/0061 (2013.01 - KR); C08J 9/0066 (2013.01 - KR); C08J 9/08 (2013.01 - EP IL); C08K 3/34 (2013.01 - KR); B29C 44/42 (2013.01 - EP); C08J 2203/06 (2013.01 - EP IL KR); C08J 2323/06 (2013.01 - EP IL KR)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
Designated validation state (EPC)
KH MA MD TN
DOCDB simple family (publication)
WO 2023277935 A1 20230105; AR 123446 A1 20221130; AU 2021454207 A1 20240118; BR 112023026991 A2 20240312; CA 3223228 A1 20230105; CN 117693550 A 20240312; EP 4363493 A1 20240508; IL 309456 A 20240201; JP 2024527314 A 20240724; KR 20240027062 A 20240229; MX 2023015123 A 20240325; TW 202300318 A 20230101
DOCDB simple family (application)
US 2021049200 W 20210907; AR P210102485 A 20210907; AU 2021454207 A 20210907; BR 112023026991 A 20210907; CA 3223228 A 20210907; CN 202180100907 A 20210907; EP 21778681 A 20210907; IL 30945623 A 20231217; JP 2023580453 A 20210907; KR 20247003049 A 20210907; MX 2023015123 A 20210907; TW 110133209 A 20210907