Coating for pipelines, tanks and structural steelwork

Details Coating for pipelines, tanks and structural steelwork Coating for pipelines, tanks and structural steelwork

1999-02-10

2000-06-13

Beck, Shrive

Coating processes

With post-treatment of coating or coating material

Heating or drying

427236, 427426, B05D 134

Patent

active

060747021

ABSTRACT:
A two-part coating system comprises a first part comprising a blend of an aliphatic polyisocyanate with a non-reactive resin or a liquid epoxide resin and a second part comprising an aromatic polyamine, such that the two parts when mixed together and applied to a surface form a rapid-setting impervious coating. The coating system is suitable for application by spraying using equipment in which the two parts of the system are first combined at the point of spraying, at the spray head. In particular the system may be used to apply an impermeable lining to the internal surfaces of pipelines, for example by means of a centrifugal spinning head.

REFERENCES:
patent: 4540750 (1985-09-01), Ham
patent: 4695605 (1987-09-01), Goel
patent: 4748201 (1988-05-01), Smith
patent: 5130402 (1992-07-01), Akiyama et al.
patent: 5232996 (1993-08-01), Shah et al.
patent: 5573040 (1996-11-01), Schumacher et al.
patent: 5621043 (1997-04-01), Croft

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