Abrasive composition and process for polishing plastic article

Details Abrasive composition and process for polishing plastic article Abrasive composition and process for polishing plastic article

1989-04-14

1990-06-19

Clingman, A. Lionel

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

51293, 51303, 106 3, B24D 300

Patent

active

049350390

ABSTRACT:
An effective abrasive composition is provided for polishing a plastic article, particularly a plastic lens, to give a mirror surface thereto. This abrasive composition comprises water, an aluminous abrasive and at least one polishing accelerator selected from the group consisting of aluminum oxalate and aluminum lactate, optionally with at least one sedimentation preventing agent selected from the group consisting of crystalline cellulose and colloidal alumnia.

REFERENCES:
patent: 4631072 (1986-12-01), Koller
patent: 4645561 (1987-02-01), Rea
patent: 4696697 (1987-09-01), Kitano et al.
patent: 4705566 (1987-11-01), Senda et al.

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