Expanded rubber articles (11) and processes for making such, comprising: partially curing an expandable rubber formulation (2) by heating it in a first mold cavity (1) to form a molded blank (3); releasing the molded blank (3) from the first mold cavity (1) and allowing the molded blank (5) to expand to form an expanded molded blank (4); and further curing and expanding the expanded molded blank (4) by heating it to form the expanded rubber article (11) comprising an expanded rubber part (6), wherein the expanded molded blank (4) is heated in a second mold cavity (5). Optionally, the expanded molded blank (4) is contacted with a further rubber formulation (7) and a substrate comprising a base material (9) and an elastomer bonding layer (8) in the second mold cavity (5) to form an expanded rubber article additionally comprising a solid rubber part (10) and a substrate (8, 9).
Expanded rubber articles
2018-11-06
Patent
Electronic Resource
English
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand / B29K Index-Schema für Formmassen oder Materialien für Verstärkungen, Füllstoffe oder vorgeformte Teile, z.B. Einlagen in Verbindung mit den Unterklassen B29B, B29C oder B29D , INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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