Nano-alumina-epichlorohydrin rubber composite tolerant coating for rusty surfaces
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A technology of nano-alumina and chloroether rubber, which is applied in the field of industrial paints, can solve the problems of powdering, peeling off of paints, and the inability to protect them by smearing, and achieve the effects of long service life, strong adhesion, and short curing time
Inactive Publication Date: 2016-08-10
ANHUI KAILIN ADVANCED MATERIAL CO LTD
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However, because the equipment is in a severely exposed environment, after a period of environmental corrosion or collision, the coating covering the metal surface may cause problems such as chalking and falling off, especially for some dead corners, which cannot be protected by coating. In some cases, workers need to re-grind, remove oil and rust, which increases labor and cost input
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Embodiment 1
[0016] (1) Add 5 parts of nano-alumina to 50 parts of chloroether rubber, mix thoroughly and microwave treatment at a microwave frequency of 2450MHz and a power of 800W for 10 minutes, then add 12 parts of terpene resin and 10 parts of butadiene rubber, continue microwave treatment for 10 minutes , Get material I;
[0017] (2) Add 8 parts of polyethylene oxide, 6 parts of sodium alginate, 4 parts of sodium polyacrylate and 3 parts of poloxamer to 150 parts of water to make a uniform slurry and then add 6 parts of carnauba wax and 3 parts of lemon Trioctyl acid and 4 parts of nano rubber powder, heated to reflux state for 10 minutes, then material II is obtained;
[0018] (3) Add material I, 8 parts of ore powder, 8 parts of polyethylene glycol 400, 4 parts of composite iron-titanium powder and 1 part of coal tar to material II, mix them thoroughly, and add them to a ball mill, ball mill to a fineness of less than 50 μm.
[0019] Preparation of ore powder: first add 15 parts of fly a...
Embodiment 2
[0021] (1) Add 5 parts of nano-alumina to 55 parts of chloroether rubber, mix thoroughly and microwave treatment at a microwave frequency of 2450MHz and a power of 800W for 10 minutes, then add 12 parts of terpene resin and 15 parts of butadiene rubber, continue microwave treatment for 10 minutes , Get material I;
[0022] (2) Add 6 parts of polyethylene oxide, 6 parts of sodium alginate, 4 parts of sodium polyacrylate and 2 parts of poloxamer to 150 parts of water to make a uniform slurry, then add 8 parts of carnauba wax and 5 parts of lemon Trioctyl acid and 3 parts of nano rubber powder, heated to reflux state for 10 minutes, then material II is obtained;
[0023] (3) Add material I, 10 parts of ore powder, 6 parts of polyethylene glycol 400, 4 parts of composite iron-titanium powder and 2 parts of coal tar to material II, mix them thoroughly, and add them to a ball mill, and ball mill to a fineness of less than 50 μm.
[0024] Preparation of ore powder: first add 10 parts of fl...
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Abstract
The invention discloses a nano-alumina-epichlorohydrin rubber composite tolerant coating for rusty surfaces, and relates to the technical field of industrial coatings .The nano-alumina-epichlorohydrin rubber composite tolerant coating for rusty surfaces is prepared from, by weight, 5-8 parts of nano-alumina, 50-55 parts of epichlorohydrin rubber, 12-16 parts of terpene resin, 10-15 parts of butadiene rubber, 8-11 parts of mineral flour, 6-10 parts of carnauba wax, 6-10 parts of polyoxyethylene, 5-8 parts of sodium alginate, 5-8 parts of polyethylene glycol 400, 4-6 parts of iron-titanium compound powder, 4-6 parts of sodium polyacrylate, 3-5 parts of trioctyl citrate, 3-5 parts of nano-rubber powder, 2-4 parts of poloxamer, 1-2 parts of coal tar and 100-150 parts of water .The coating can be directly sprayed to rusty metal surfaces without polishing or deoiling treatment, and rusty layers are passivated to achieve the rust protection effect; besides, curing time is short, a formed coating film is large in adhesion force and does not effloresce or shed or the like, and the service life is long.
Description
Technical field: [0001] The invention relates to the technical field of industrial paints, in particular to a nano-alumina-chloroether rubber composite primer with rust. Background technique: [0002] Rusty primer is an anticorrosive coating that can be directly applied on a certain rusted metal surface to obtain an anticorrosive effect. Coating on the metal surface with residual rust can stabilize, passivate or transform the residual rust, and turn the lively rust into a harmless substance to achieve the dual purpose of both rust removal and protection. It is used in steel structures, tunnels, bridges, and urban construction. It is widely used in facilities, highways and railway facilities, ships, petroleum facilities, metallurgical and chemical equipment, etc. However, because the equipment is in a severely exposed environment, after a period of environmental corrosion or collision, the paint covering the metal surface may cause problems such as chalking and falling off, espec...
Claims
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Application Information
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