Heat sealing of semicrystalline quasi-amorphous polymers

Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor

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1562728, 1562735, 1562753, 1563096, 264 22, 264 25, B32B 3100

Patent

active

050322095

ABSTRACT:
Semicrystalline polymers can have predetermined amounts of their surfaces rendered quasi-amorphous by irradiation. Polymer surfaces which are so modified can display enhanced heat sealability to accept bonding to other materials.

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