Pressure sensitive adhesive and its preparation

Details Pressure sensitive adhesive and its preparation Pressure sensitive adhesive and its preparation

2005-05-03

2005-05-03

Moore, Margaret G. (Department: 1712)

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

C428S521000, C522S112000, C156S334000, C528S088000, C528S089000, C528S095000, C528S901000, C528S902000

Reexamination Certificate

active

06887919

ABSTRACT:
A pressure sensitive adhesive composed of a mixture comprisinga) a styrene block copolymer having a star-shaped structure and a molecular weight Mwof more than 300,000 g/mol, or having elastomer blocks which contain more than 30% by weight of 1,2-linked diene in their block structure, or both, and which is crosslinkable by exposure to UV-light or electron beams, andb) one or more block copolymers composed of vinylaromatic blocks and elastomer blocks, the block polyvinylaromatic content being greater than 20%, andc) one or more tackifier resins.

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