Stock material or miscellaneous articles – Composite – Of polyamide
Patent
1989-04-12
1990-10-02
Buffalow, Edith
Stock material or miscellaneous articles
Composite
Of polyamide
4284747, 4284752, 428483, 428500, 428516, 428517, 428518, 428688, B32B 2708
Patent
active
049606484
ABSTRACT:
A laminated material is prepared in which a resin composition layer (A) containing a thermoplastic resin and an inorganic filler in a scaly or non-scaly form in an amount from 20% to 80% by weight of the total weight of the thermoplastic resin and the filler interposes a resin composition layer (B) containing a thermoplastic resin and an inorganic filler in an amount from 30% to 70% by weight of the weight of the inorganic filler contained in the resin composition layer (A), the filler being in a scally form when the filler in the layer (A) is in a scaly form or being in a non-scaly form when the filler in the layer (A) is in a non-scaly form with a thermoplastic resin layer.
For the laminated material in which the scaly inorganic filler is contained in the layer (A), the layer (B) containing the thermoplastic resin and the non-scaly inorganic filler in the amount of 20% to 80% by weight of the total weight of the thermoplastic resin and the non-scaly filler is interposed between the layer (A) containing the thermoplastic resin and the scaly inorganic filler in the amount of 20% to 80% by weight of the total weight of the thermoplastic resin and the scaly inorganic filler and the thermoplastic resin (C).
REFERENCES:
patent: 3900670 (1975-08-01), Ikeda et al.
patent: 4389438 (1983-06-01), Ohtsuki et al.
patent: 4528235 (1985-07-01), Sacks
patent: 4567089 (1986-01-01), Hattori
patent: 4618528 (1986-10-01), Sacks
patent: 4842951 (1989-06-01), Yamada et al.
Buffalow Edith
Idemitsu Petrochemical Company Limited
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