Process for producing halogenated polycarbonate molded article

Details Process for producing halogenated polycarbonate molded article Process for producing halogenated polycarbonate molded article

1991-06-12

1993-09-14

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

2643281, 26433121, 264337, 264338, 425207, 425542, B29C 4548, B29C 4560, B29C 4562

Patent

active

052446050

ABSTRACT:
In a process for producing a halogenated polycarbonate molded article from a powder or pellets of a halogenated polycarbonate resin or composition thereof by means of injection molding using an injection molding machine, the improvement wherein the injection molding machine comprises a cylinder whose inner circumferential wall being made of a corrosion-resistant and abrasion-resistant alloy comprising alloy component (1), (2), or (3) given below, and a screw part made of a steel having a metal coating formed by hard chromium plating or hard nickel plating or made of SUS420, SUS440, Hastelloy C, or a steel comprising alloy component (4) given below:

REFERENCES:
patent: 3121763 (1964-02-01), Indest
patent: 5073313 (1991-12-01), Umemura et al.
Plastics Mold Engineering, Reinhold publishing, co 1965, pp. 206-208.
Condensed Chemical Dictionary, Reinhold publishing, co 1966, p. 934.

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