PROCESS FOR BONDING TOGETHER FILMS BASED ON CURED BUTYL RUBBER, POLYCHLOROPRENE AND/OR RUBBER-LIKE COPOLYMERS OF ETHYLENE, AT LEAST ONE OTHER A-ALKENE AND, OPTIONALLY, ONE OR SEVERAL POLYENES

PROCESS FOR BONDING TOGETHER FILMS BASED ON CURED BUTYL RUBBER, POLYCHLOROPRENE AND/OR RUBBER-LIKE COPOLYMERS OF ETHYLENE, AT LEAST ONE OTHER A-ALKENE AND, OPTIONALLY, ONE OR SEVERAL POLYENES

A process for bonding together cured rubbery films is disclosed, wherein cured polychloroprene, butyl rubber, and/or rubbery copolymers of ethylene with at least one other alpha-alkene of 3 to 8 carbon atoms are bonded together by placing a layer of a curable rubbery polymer composition which genera...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: URLINGS, PIERRE M.G.J, VISSEREN, MARINUS J.R
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F,C08G
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
CHEMISTRY
COMPOSITIONS BASED THEREON
GENERAL PROCESSES OF COMPOUNDING
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
WORKING-UP
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Beschreibung
Zusammenfassung:A process for bonding together cured rubbery films is disclosed, wherein cured polychloroprene, butyl rubber, and/or rubbery copolymers of ethylene with at least one other alpha-alkene of 3 to 8 carbon atoms are bonded together by placing a layer of a curable rubbery polymer composition which generates heat upon exposure to a high frequency electric field between the films and heating the assembly of films under pressure in an electric field having a frequency of about 0.1 to about 500 megacycles per second. The time of heating can be appreciably shortened without diminishing the strength of the bond between the films, and without film damage.