Unlock instant, AI-driven research and patent intelligence for your innovation.

Organic-resin-free inorganic zinc silicate workshop primer

A technology of inorganic zinc silicate and workshop primer, which is applied in the direction of coating, etc., can solve the problems of high specificity of zinc powder and low anti-sedimentation effect, and achieve the effects of easy mixing, thickening effect and thixotropy

Active Publication Date: 2012-11-07
XIAMEN SUNRUI SHIP COATING
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high specificity of zinc powder, it is necessary to add anti-sedimentation agent to the shop primer. Generally, organic bentonite is used. Studies have shown that ultra-fine silica has little anti-settling effect on zinc powder.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0026] Example Preparation process: adding fumed silica into a mixed solvent, dispersing at high speed for 15 minutes, adding a liquid rheological aid, dispersing evenly, adding iron phosphorus powder and zinc powder, and dispersing at high speed to a fineness of less than 80 microns to obtain methyl methacrylate. Component; put ethyl silicate and anhydrous ethanol into the reaction kettle, heat and stir, add acidified water dropwise, and keep the temperature for 30 minutes to prepare component B. The inorganic zinc silicate shop primer can be prepared by mixing the A and B components evenly at a weight ratio of 2:1. The liquid rheological additive is a polyhydroxy acid amide solution with a non-volatile content of 50%. Examples 1-3 The acidified water was prepared from sulfuric acid, hydrochloric acid and phosphoric acid, respectively.

[0027] Table 2 is the formulas of Examples 1-3, and the proportions are all mass ratios.

[0028] Table 2 Embodiment 1-3 formula

[0029]...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses an organic-resin-free inorganic zinc silicate shop primer which is composed of a component A and a component B at a weight ratio of 2: 1. The component A comprises the following ingredients in parts by weight: 30 to 60 parts of zinc powder, 15 to 30 parts of ferro-phosphorus powder, 0.5 to 2 parts of gas phase silicon dioxide, 0.2 to 0.6 pat of liquid rheological agent, 5 to 15 part of isopropanol, 5 to 15 parts of methyl isobutyl ketone, and 2 to 8 parts of propylene glycol methyl ether. The component B comprises the following ingredients in parts by weight: 30 to 50 parts of ethyl silicate, 30 to 60 parts of anhydrous alcohol, and 3 to 6 parts of acidified water. The shop primer provided by the invention can improve the temperature tolerance and reduce the water absorptivity of varnish films, is compatible to ballast chamber paints, and meets the requirements listed in the PSPC (performance standard of protective coatings). The shop primer has good rheological effects, so as to prevent gelatination or sedimentation of the zinc slurry during 15-day storage at 50 DEG C. The steel plate coated with the shop primer produces less smoke during welding, so that the construction environment is improved.

Description

technical field [0001] The invention relates to a coating technology, in particular to an inorganic zinc silicate shop primer without organic resin. Background technique [0002] The shop primer was born in the early 1950s, and the previous products include zinc-free phosphating primer, epoxy zinc-rich paint, epoxy iron red shop primer, and inorganic zinc silicate shop primer. At present, inorganic zinc silicate shop primer is the main application variety. Inorganic zinc silicate shop primer is generally added with polyvinyl butyral or other resins as plasticizers, and the presence of these organic resins will inevitably affect its high temperature resistance. Due to the large proportion of zinc powder, it is necessary to add an anti-settling agent to the shop primer. Generally, organic bentonite is used. Studies have shown that ultra-fine silica has little anti-settling effect on zinc powder. [0003] The Chinese patent of publication number CN1887985A relates to a ty...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): C09D1/00C04B26/00
Inventor 苏雅丽蔡云露方大庆叶章基
Owner XIAMEN SUNRUI SHIP COATING