Laminate of fiber-reinforced, crosslinked polypropylene

Details Laminate of fiber-reinforced, crosslinked polypropylene Laminate of fiber-reinforced, crosslinked polypropylene

1987-12-02

1989-05-23

Cannon, James C.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including interlaminar mechanical fastener

156228, 156288, 1563077, 156902, 174 685, 361397, 428251, 428252, 428263, 428272, 428273, 428285, 428286, 428287, 428288, 428290, 428451, 428461, 428901, B32B 1508, B32B 2712, B32B 2732, B32B 3120, H05K 103

Patent

active

048330051

ABSTRACT:
A laminate is made of textile sheet structures of synthetic fibers or glass fibers with a covering of polypropylene. The polypropylene is crosslinked by addition of crosslinking agents. The laminate has good electrical insulating properties, perfect solder bath stability, and good mechanical machinability. This laminate is provided, in heated presses, with metal layers or can be provided, in heated presses, with metal layers or can be provided with such metals layers by the application of metallic foils or by electrolytical methods, and serves for the manufacture of printed circuits and ribbon cables. An advantageous production of the textile sheet structures encased with crosslinked polypropylene can be performed on roll stands by thermoplastic encasing and smoothing in a continuous process.

REFERENCES:
patent: 4035694 (1977-07-01), Barton et al.
patent: 4268339 (1981-05-01), Urban
patent: 4502263 (1985-03-01), Crass et al.
patent: 4595625 (1986-06-01), Crass et al.
patent: 4639398 (1987-01-01), Bergstrom
patent: 4716068 (1987-12-01), Seifried
patent: 4734317 (1988-03-01), Bothe
Saure, Manfred: Kunststoffe in der Elektrontechnik, AEG-Telefunken; Handbuch Band 22, Berlin und Frankfurt 1979, pp. 146-150.
Kabel und Isolierte Leitungen, VDI-Verlag Dusseldorf, 1984, pp. 152-163.

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