Antifragmentation plates of polymethylmethacrylate

Details Antifragmentation plates of polymethylmethacrylate Antifragmentation plates of polymethylmethacrylate

1996-10-31

1999-11-16

Dixon, Merrick

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Staple length fiber

527891, 52307, 52308, 523091, D02G 300

Patent

active

059854456

ABSTRACT:
Antinoise and antifragmentation plates based on acrylic polymers employing a polymeric continuous film placed inside the plate, wherein the film is characterized by an elastic modulus lower than the one of PMMA of at least 30%, and/or elongtion at break higher than at least 40%, measured by the test according to ISO 527 standard for plates or for films.

REFERENCES:
patent: 4301264 (1981-11-01), Moore et al.
patent: 4360632 (1982-11-01), Pinschmidt, Jr. et al.
patent: 5415926 (1995-05-01), Leighton et al.
patent: 5576384 (1996-11-01), Nolken et al.
European Search Report dated Jan. 20, 1997.

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