Transparent plastic pane containing a copolymer of methylmethacr

Details Transparent plastic pane containing a copolymer of methylmethacr Transparent plastic pane containing a copolymer of methylmethacr

1995-12-06

1997-12-23

Yoon, Tae

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

5263231, 5263297, 524560, 524561, 2642902, C08F 2018, C08F 2020, C08L 3312

Patent

active

057008949

ABSTRACT:
A transparent plastic pane for an aircraft canopy consisting essentially of a copolymer of methylmethacrylate and polyfunctional acrylates, wherein the content of methylmethacrylate is greater than about 95 wt. % and the content of polyfunctional acrylates is 0.5 to 5% of the copolymer, and which is obtained by cast polymerization, whereby the temperature for final polymerization is maintained at 110.degree. C. to 130.degree. C. for at least 5 hours.

REFERENCES:
patent: 3966693 (1976-06-01), Kato
patent: 4550136 (1985-10-01), Hosch
patent: 4622377 (1986-11-01), Moncur
patent: 4859750 (1989-08-01), Kato et al.

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