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A kind of method of double injection of epoxy resin

A technology of epoxy resin and curing agent, which is applied in the direction of epoxy resin glue, novolac epoxy resin adhesive, adhesive type, etc., which can solve the problems of difficult operation and inconvenience, and achieve strong adhesion , the effect does not reduce the effect

Active Publication Date: 2015-12-09
衢州环亚新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the gluing of some complex interfaces, the gluing of objects with special shapes, the gluing of small-sized objects, the gluing of a large number of small-sized objects and other materials, it is difficult to operate and very inconvenient

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] 10g of HF18 quick-acting granular nitrogen fertilizer produced by Anhui Wuwei County Flower Fertilizer Factory with a diameter of 0.5-3mm, mix bisphenol A epoxy resin and ethanol (concentration 75%) at a ratio of 1:1, and spray it on the evenly rolling fertilizer surface Roll the above-mentioned chemical fertilizer sprayed with binder solution evenly on the coal gangue powder, so that a layer of coal gangue powder is evenly adhered to the surface of the fertilizer, and the modified isophorone diamine curing agent and Bangleao BLA101 organic silicon The solution is uniformly mixed according to the mass ratio of 1:1, and finally the above-mentioned curing agent solution is sprayed on the surface of the fertilizer adhered to the gangue powder, and solidification occurs after 3 hours to form a gangue-coated fertilizer.

Embodiment 2

[0014] When knocking off the porcelain craft porcelain bowl, there are uneven pits with a size of 2-5mm on the surface. Mix bisphenol A epoxy resin and ethanol (concentration 100%) at a ratio of 2:1, and spray it on the pit of the porcelain bowl; Adhere the broken porcelain pieces to the surface of the porcelain bowl, mix the modified isophorone diamine curing agent and Bangleao BLA101 organic silicon solution in a mass ratio of 2:1, and finally spray the above curing agent solution on the sticky surface The surface of the porcelain bowl with broken pieces of porcelain is solidified after 3 hours, and the repair of the porcelain bowl is completed.

Embodiment 3

[0016] 10g of HF18 quick-acting granular nitrogen fertilizer produced by Anhui Wuwei County Flower Fertilizer Factory with a diameter of 0.5-3mm, mix phenolic polyepoxy resin and ethanol (concentration 100%) at a ratio of 1:1, and spray it on the evenly rolled fertilizer surface; The above chemical fertilizer sprayed with binder solution is evenly rolled on the coal gangue powder, so that a layer of coal gangue powder is evenly adhered to the surface of the fertilizer, and the modified isophorone diamine curing agent and Bangleao BLA101 organic silicon solution are pressed Mix evenly at a mass ratio of 1:1, and finally spray the above curing agent solution on the surface of the fertilizer adhered to coal gangue powder, and solidify after 3 hours to form gangue-coated fertilizer.

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Abstract

The invention discloses a double-spraying method for epoxy resin, which comprises the following steps: 1)uniformly mixing epoxy resin and ethanol according to mass ratio of 1:2-5:1 to form a binder solution, then spraying the binder solution to an object surface to be bonded for bonding the binder solution and the object to be bonded to form an adherence object; and 2)uniformly mixing a modified isophorone diamine curing agent and polyurethane or organosilicon according to any proportion to form a curing agent solution, and then spraying the curing agent solution to the surface of the adherence object in the step 1) for solidifying. According to the invention, organic solvents such as ethanol and acetone are added in the epoxy resin binder to form the binder solution; an organosilicon solvent is added in the curing agent for forming the curing agent solution; and the binder solution and the curing agent solution can be separated and realize the spraying usage. The method can realize the bonding of mass objects with small size and complex abnormity objects.

Description

technical field [0001] The invention relates to the modification and utilization of epoxy resin, and the technical field of improving its scope of application and working method. Background technique [0002] Epoxy resin is a commonly used binder, which is widely used in glass, ceramics, electronics and other fields, and has strong bonding ability to metal and non-metal materials. [0003] Existing epoxy resins have high operating viscosity, which is somewhat inconvenient in construction. And during use, the adhesive and the curing agent must be mixed in proportion at first, and then can only be used by brushing on the bonding interface, and then gluing. For the gluing of some complex interfaces, the gluing of objects with special shapes, the gluing of small objects, the gluing of a large number of small-sized objects and other materials, it is difficult to operate and very inconvenient. Contents of the invention [0004] The purpose of the present invention is to change...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J163/02C09J163/04C08G59/56
Inventor 张小立
Owner 衢州环亚新材料科技有限公司