Process for protecting and repairing plastic and plastic composi

Details Process for protecting and repairing plastic and plastic composi Process for protecting and repairing plastic and plastic composi

Filed on

1992-12-10

Date issued

1994-06-07

Examiner

Beck, Shrive

Patent Class

Coating processes

SubClass

With post-treatment of coating or coating material

SubSubClass

Heating or drying

Other Related Categories

427238, 427301, 166902, B05D 722

Type

Patent

Status

active

Patent number

053188055

Description

ABSTRACT:
A process has been developed for treating plastic and plastic composite materials wherein a protective epoxy coating is placed on said material by contacting with a composition comprising an epoxy resin, an effective amount of curing agent for the epoxy resin, an alcohol and a hydrocarbon solvent. In another embodiment, the protective epoxy coating is applied by a process comprising the sequential contacting of the plastic or plastic composite surface with a first hydrocarbon solution comprised of an epoxy resin and a hydrocarbon solvent, and a second hydrocarbon solution comprised of an alcohol, a curing agent, and a hydrocarbon solvent.

REFERENCES:
patent: 3307996 (1967-03-01), Kneipp, Jr.
patent: 4526813 (1985-07-01), Wu
patent: 4812363 (1989-03-01), Bell et al.
patent: 4847122 (1989-07-01), Goldberg et al.
patent: 5045359 (1991-09-01), Wu
patent: 5069966 (1991-12-01), Colaiacovo
patent: 5079041 (1992-01-01), Wu
patent: 5104691 (1992-04-01), Edwards et al.
patent: 5118536 (1992-06-01), Wu et al.
patent: 5135053 (1992-08-01), Lowther
patent: 5232741 (1993-08-01), Wu
International Encyclopedia of Composites, vol. 2, "Environmental Resistance of High Performance Matrices and Composites", pp. 46-77 (1990).
International Encyclopedia of Composites, vol. 2, "Epoxy Resins", pp. 77-105 (1990).
International Encyclopedia of Composites, vol. 6, "Thermoplastic Matrix Composites", pp. 10-48 (1991).
Encyclopedia of Polymer Science and Engineering, vol. 17, "Transitions and Relaxations", pp. 1-47 (1989).
International Encyclopedia of Composites, vol. 1, "Aging of Polymer Matrix Fibrous Composites", pp. 15-26 (1990).
TUBOSCOPE Technical and Sales Information entitled "Tube-Kote Coatings", Aug., 1987.

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