Automotive molded roof material and process for producing the sa

Details Automotive molded roof material and process for producing the sa Automotive molded roof material and process for producing the sa

1995-11-08

1997-08-12

Acquah, Samuel A.

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

Synthetic resins

Cellular products or processes of preparing a cellular...

156 79, 264 461, 2641761, 26421121, 2642711, 4284248, 521143, 521144, 521915, C08J 904

Patent

active

056566751

ABSTRACT:
A process for producing an automotive molded roof material is provided which comprises sheeting a foamable sheet forming composition comprising a specified propylene resin, a glass fiber, a radical initiator, a crosslinking auxiliary and a foaming agent in specific proportions into a foamable sheet, lining one side of the foamable sheet with a backing sheet so as to integrate these and irradiating the foamable sheet with ionizing radiation to thereby crosslink the propylene resin, followed by heating the foamable sheet so as to cause the foamable sheet to foam, placing a cover sheet on the other side of the foamed sheet before the sheet cools to solidify and press molding the cover sheet on the foamed sheet to cover. There is also provided an automotive molded roof material produced by the above process. An automotive molded roof material is obtained which can be recycled, is lightweight and has high rigidity.

REFERENCES:
patent: 4128606 (1978-12-01), Furutachi et al.
patent: 5176953 (1993-01-01), Jacoby et al.
patent: 5180751 (1993-01-01), Park et al.
Abstract of Japanese Laid-Open Patent Publication No. 5-70621.
English abstract of Japanese Laid-Open Patent Application No. 5-70621 (Mar. 23, 1993).

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