Transparent sheet composites for use as bullet-proof windows

Details Transparent sheet composites for use as bullet-proof windows Transparent sheet composites for use as bullet-proof windows

1994-01-27

1996-04-09

Ryan, Patrick J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428 34, 428212, 428214, 428220, 428412, 4284231, 4284242, 4284256, 428411, 428500, 428911, 5278611, 5278612, B32B 702

Patent

active

055060510

ABSTRACT:
An improved transparent bullet-proof laminate is formed with an energy absorbing transition layer located between preformed laminae of glass and/or plastic, such as polycarbonate, the transition layer constituting a cured aliphatic urethane acrylate with optionally up to 70% of a monofunctional monomeric acrylate, the transition layer in liquid form having a viscosity preferably no greater than 1000 cps and in cured state having a toughness of at least 0.1 MPa, and elastic modulus no greater than 25 MPa and an elongation of at least 20%.

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