Method of preventing statics for space structure

Details Method of preventing statics for space structure Method of preventing statics for space structure

1997-03-10

1998-12-29

Dudash, Diana

Coating processes

Applying superposed diverse coating or coating a coated base

Synthetic resin coating

427356, 427369, 427379, 4274072, 427408, B05D 138, B05D 312, B05D 512

Patent

active

058538100

DESCRIPTION:

BRIEF SUMMARY
TECHNICAL FIELD

The present invention involves a method of preventing statics for space structure and a method of preventing the occurrence of in-house static electricity and to speed up the static electricity release and leakage therefrom. The present invention may be used for electronic element workshops, electrical appliance control rooms, command and control centers, and other cases requiring antistatic and static electricity-releasing performances such as space aeronautics and aviation, military projects, subway controls, medical therapeutics and sanitation, light industry and printing, film production, program controlled communications, bank and finance, stock and credit company, broadcasting and television, guest house and homes etc., add especially the computer room of the computer system projects.


TECHNICAL BACKGROUND

For the time being, the existing in-house antistatic technique mainly uses grounded housing of the installations, or sometimes single body apparatus so that they can be temporarily grounded during operation, and once out of operation, they will be ungrounded. In November, 1991, U.S. EP&P(Electronic packaging &. production) proposed that an ideal antistatic work platform be required, the designing of which means to control the electrostatic thereof to be 50 volts. Some others use antistatic floors, carpets or static-preventive clothing, wrist guards etc. These approaches are but point, area, or single body appliances for releasing the static electricity of their own using metallic electronic conduction, unfavorable to uses for indoor spaces of higher antistatic
specifications such as computer rooms, space aeronautics &. aviation, subway control, bank &. finance, stock & credit companies, military projects etc. Chinese Patent Application CN1073315A discloses a "Method of indoor space electrostatic prevention". It makes use of antistatic wall paper, antistatic ceilings, antistatic floors as well as the anti-static release networks which are combined for the purpose of indoor electrostatic release and leakage, but said method is of certain difficulty during construction, because under some circumstances, antistatic wall paper is not suitable for use, sometimes wall paper of larger areas will be damaged by friction to reduce the electrostatic release and leakage effect, further, the antistatic treatment on glass doors or windows, ceilings, and ground, and the formed space is not mentioned either therein.


SUMMARY OF THE INVENTION

The object of the present invention is to achieve an optimal electrostatic preventive effect of bulk spaces by means of using multilayer coating antistatic materials on the wall, the ground and the ceiling as well as the antistatic material coating on glass door or windows.
For the above-indicated objective, the present invention is embodied as follows: multilayer different antistatic materials are coated on walls, floors, ceilings and glass doors or windows to constitute a fully ionized antistatic bulk space to achieve the automatic compensation for electrostatic preventive and antistatic effect for the bulk space wherein
1. walls, ceiling, and ground are all composed of base layer, interlayer and top layer: surface, then the unsmooth portions thereof are made smooth by filling the antistatic material thereinto; after a duration of 5-10 hours for drying, the entire surface of the base layer is scraped and pressed smooth and compacted for 1-4 times as required; roll-coated or spray-coated with a thickness of 0.3-2 mm therefor; after a duration of 5-26 hours, brush-coated, roll-coated or spray-coated for another 1-4 times as necessary, and then the interlayer is completed; brush-coated, roll-coated or spray-coated thereon; after a duration of 2.5-8 hours for drying, brush-coated, roll-coated or spray-coated another 2-5 times as necessary, and the top layer is completed. is brush-coated, roll-coated or spray-coated as required; after a duration of 1-3 hours for drying, brush-coated, roll-coated or spray-coated 2-8 times as required and the procedure is comple

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"Antistatic Technique For Program-Controlled Exchange Computer Room", China Postal Communications Design Technology, 91(5) (No Date).
David Carlton, "Eliminating ESD in the Workstation", Electronic Packaging & Production, pp. 78-81, Nov. 1990.

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