Transparent laminates

B - Operations – Transporting – 32 – B

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B32B 17/10 (2006.01) B32B 7/12 (2006.01) B32B 27/08 (2006.01) B32B 27/40 (2006.01) C08G 18/08 (2006.01) C09J 175/12 (2006.01)

Patent

CA 2005969

Transparent laminates Abstract Novel laminates comprise transparent polymers with a high content of hydroxyl groups as core layer and adhesive layers applied to one or both sides which are tack-free under normal conditions and which can accept an outer layer, thermoplastic polyurethane-polyureas having a substantially linear molecular structure with exclu- sively aliphatically or cycloaliphatically bonded urethane segments and urea segments and a content of urea groups -NH-CO-NH- of 1 to 20% by weight and a content of carboxyl groups -COOH bonded directly to the main chain of the molecule in lateral positions, of 0.001 to 10% by weight, being used as adhesive layers. Le A 26 253

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