Non-reactive hot melt adhesive, its manufacture and its use in sealing packages

A non-reactive hot melt adhesive containing a copolymer being substantially composed of a reaction product of lactide (L) and caprolactone (C) in a molar ratio (L/C) of at least 1.5. The adhesive further includes a carbodiimide compound. The presence of a small but effective amount of carbodiimide c...

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Bibliographic Details
Main Author Schaekens Chris François Hubert
Format Patent
LanguageEnglish
Published 27.02.2018
Subjects
ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE
ADHESIVES
CHEMISTRY
COMPOSITIONS BASED THEREON
CONVEYING
DYES
HANDLING THIN OR FILAMENTARY MATERIAL
MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGINGARTICLES OR MATERIALS
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL
ORGANIC MACROMOLECULAR COMPOUNDS
PACKING
PAINTS
PERFORMING OPERATIONS
POLISHES
STORING
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRANSPORTING
UNPACKING
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
USE OF MATERIALS AS ADHESIVES
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Summary:A non-reactive hot melt adhesive containing a copolymer being substantially composed of a reaction product of lactide (L) and caprolactone (C) in a molar ratio (L/C) of at least 1.5. The adhesive further includes a carbodiimide compound. The presence of a small but effective amount of carbodiimide causes a stabilizing effect on the sealing properties of the adhesive, especially if it is exposed to higher temperatures. A method manufactures the adhesive and a method seals a package with the adhesive.
Bibliography:Application Number: US201515311811