Method for the manufacture of crosslinked polyamide articles

Details Method for the manufacture of crosslinked polyamide articles Method for the manufacture of crosslinked polyamide articles

1989-06-05

1991-10-08

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Disparate treatment of article subsequent to working,...

Effecting temperature change

26421124, 26433111, 26433119, 525181, 525183, 525184, 525431, B29C 3504, B29C 3506, C08G 6948, C08L 7700

Patent

active

050552490

ABSTRACT:
A process for the preparation of crosslinked shapes from a polymer which consists of reacting a starting polyamide with a particular silane. The polyamide should have at least 30% by weight of branched polymer chains, but these may be furnished by adding branching agents to the monomers before or during polymerization. After the reaction with silane has taken place, the polymer is molded or otherwise formed into desired shapes and brought into contact with water. This causes three dimensional crosslinking of the polymer and provides improved mechanical and fire resistant properties to the finished product. Moreover, the finished product may be formed by the usual methods of shaping without any particular treatment being required.

REFERENCES:
patent: 4647630 (1987-03-01), Schmid et al.
patent: 4783511 (1988-11-01), Schmid
patent: 4857250 (1989-08-01), Gale et al.

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