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Bulletproof laminated safety glass and process for production

  • US 4,125,669 A
  • Filed: 02/15/1977
  • Issued: 11/14/1978
  • Est. Priority Date: 02/19/1976
  • Status: Expired due to Term
First Claim
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1. A bulletproof laminated safety glass comprising:

  • (1) a silicate glass pane of at least 6 mm thickness provided for the side of the laminated safety glass endangered by bombardment, or an acrylic glass pane of at least 12 mm thickness; and

    (2) a polycarbonate pane of at least 1.5 mm thickness which is thin relative to the silicate glass or acrylic pane, and which is provided for the rear side of the combination said glass pane and said polycarbonate pane being secured together along their planar surface area by an adhesive layer, which is produced in situ by hardening at temperatures between +10° and

    +50°

    C. of a binder which comprises in the uncured state at least 50% by weight from 2-ethylhexylmethacrylate, 0.2 to 2.0% by weight of the binder of at least one alkylacylperoxide and 0.005 to 0.5% by weight of the binder at least a compound which contains a labile halogen atom, as a solution in a phlegmatization agent, 0.01 to 10 ppm Cu++ -ions in the form of a copper salt, soluble in the binder, and 0.05 to 3% by weight of said binder of a ω

    -mercaptoalkyl-trialkoxy silane.

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