Metal-resin laminate reinforced with S2-glass fibres

Details Metal-resin laminate reinforced with S2-glass fibres Metal-resin laminate reinforced with S2-glass fibres

1988-10-11

1991-08-13

Herbert, Thomas J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

428246, 428457, 428458, B32B 1508

Patent

active

050395718

ABSTRACT:
Laminate displaying improved blunt notch behavior, so that it is suitable for use as a construction material in aviation and cosmonautics. It comprises an intermediate layer of synthetic material reinforced by continuous glass filaments having a modulus of elasticity of at least 80 GPa. The glass filaments contain at least 58-69% by weight of SiO.sub.2, 18-29% by weight of Al.sub.2 O.sub.3, and MgO. Preferably, they have a tenacity of at least 4 GPa, and an elongation at break of at least 4%. The synthetic material may be an amorphous thermoplastic resin having a Tg>140.degree. C. such as, e.g., polarylates, poly(ether)sulfones, polyetherimides or poly-p-phenylene ethers, or a semi- or para-crystalline resin having a crystalline melting point>170.degree. C., such as poly-phenylene sulfides, polyetherketones or liquid crystal polymers.

REFERENCES:
patent: 4110147 (1978-08-01), Grunwald et al.
English translation of Netherlands 8100087, 13 pages.
English translation of Netherlands 8100088, 16 pages.
English translation of Enka, "An Aramid Yarn for Reinforcing Plastics", May 25-26, 1977, Plastica 30, pp. 374-380.

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