HOT MELT ADHESIVE FILMS COMPRISING BIOBASED EVA, METHODS AND ARTICLES THEREOF

HOT MELT ADHESIVE FILMS COMPRISING BIOBASED EVA, METHODS AND ARTICLES THEREOF

Hot melt adhesive film compositions may include a biobased ethylene vinyl acetate (EVA) copolymer containing a biobased carbon content as determined by ASTM D6866 of 5% to 95%; and a melt index (I2) as determined by ASTM D1238 in the range of 1.5 g/10min to 50 g/10min measured with a load of 2.16 kg...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: DELEVATI, Giancarlos
Format: Patent
Sprache:eng ; fre
Schlagworte:
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
DYES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
PAINTS
POLISHES
USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:Hot melt adhesive film compositions may include a biobased ethylene vinyl acetate (EVA) copolymer containing a biobased carbon content as determined by ASTM D6866 of 5% to 95%; and a melt index (I2) as determined by ASTM D1238 in the range of 1.5 g/10min to 50 g/10min measured with a load of 2.16 kg at 190°C. Methods may include a process for bonding a substrate to a similar or dissimilar substrate that includes applying to at least one substrate a hot melt adhesive film composition and bonding said substrate together, said hot melt adhesive film composition containing a biobased ethylene vinyl acetate copolymer. L'invention concerne des compositions de film adhésif thermofusible, pouvant comprendre un copolymère éthylène/acétate de vinyle (EVA) biosourcé contenant une teneur en carbone biosourcé, telle que déterminée par ASTM D6866, de 5 % à 95 % ; et un indice de fluidité (I2), tel que déterminé par ASTM D1238, dans la plage de 1,5 g/10 min à 50 g/10 min, mesuré sous une charge de 2,16 kg à 190 °C. Les méthodes peuvent comprendre un procédé de collage d'un substrat à un substrat semblable ou différent, qui comprend l'application sur au moins un substrat d'une composition de film adhésif thermofusible, et le collage desdits substrats l'un à l'autre, ladite composition de film adhésif thermofusible contenant un copolymère éthylène/acétate de vinyle biosourcé.