Method of producing composite boards or laminates

Details Method of producing composite boards or laminates Method of producing composite boards or laminates

1986-02-26

1988-03-15

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

264514, 264171, 264322, 4251335, 425462, B29C 4922

Patent

active

047312130

ABSTRACT:
A method for the production of laminates comprises extruding a support of acrylic nitrile-butadiene-styrene (ABS) and a coating of polymethyl methacrylate (PMMA, acrylic glass) through a sheet die. The acrylic glass forming the coating has a melt flow index of at most 2.0 (MFI 230.degree. C./3.8 according to DIN 53735) and the ABS forming the support are conducted directly to the die through different channels.

REFERENCES:
patent: 3480998 (1969-12-01), Von Erdberg
patent: 3611492 (1971-10-01), Scheibling
patent: 3694119 (1972-09-01), Scheibling
patent: 4221836 (1980-09-01), Rutledge et al.
patent: 4477521 (1984-10-01), Lehmann et al.

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