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Microcapsule anaerobic precoating curing agent and preparation method thereof

A microcapsule and pre-gluing technology, applied in the directions of microcapsule preparation, microsphere preparation, adhesive type, etc., can solve the problems of lack of water resistance, microcapsule failure, capsule softening failure, etc., and achieve good lubricity. Effect

Inactive Publication Date: 2021-06-04
JINAN HANSIMAN TIMES TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The current anaerobic adhesives are divided into two types: on-site glue application and pre-coating glue. Pre-coating glue must use pre-coating curing agent. Some pre-coating curing agents on the market currently focus on the temperature resistance of the pre-baking process. However, if the water resistance is not improved during the storage process, it is easy to cause the microcapsules to fail when the curing agent is stored alone. However, the wear-resistant and water-resistant microcapsule curing agent cannot be baked at high temperature in the two-component mixed pre-coating, otherwise it will cause the capsules to soften. failure, premature curing

Method used

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  • Microcapsule anaerobic precoating curing agent and preparation method thereof

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Embodiment 1

[0009] A microcapsule anaerobic precoat curing agent, comprising the following components in parts by weight: 900 parts of purified water, 14 parts of emulsifier, 100 parts of benzoyl peroxide, 10 parts of acetic acid, 350 parts of melamine formaldehyde resin , 10 parts of sodium hydroxide and 50 parts of sodium chloride.

Embodiment 2

[0011] A microcapsule anaerobic pre-coating glue curing agent, comprising the following components in parts by weight: 2000 parts of purified water, 120 parts of benzoyl peroxide, 18 parts of emulsifier, 8 parts of acetic acid, 400 parts of melamine formaldehyde resin , 6 parts of sodium hydroxide and 60 parts of sodium chloride.

Embodiment 3

[0013] A microcapsule anaerobic precoat curing agent, comprising the following components in parts by weight: 700 parts of purified water, 80 parts of benzoyl peroxide, 12 parts of emulsifier, 12 parts of acetic acid, and 300 parts of melamine formaldehyde resin , 14 parts of sodium hydroxide and 40 parts of sodium chloride.

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Abstract

The invention discloses a microcapsule anaerobic pre-coating glue curing agent, and the curing agent is prepared from the following ingredients in parts by weight: 700 to 2000 parts of purified water, 80 to 120 parts of benzoyl peroxide, 12 to 18 parts of emulsifying agents, 8 to 12 parts of acetic acid, 300 to 400 parts of melamino-formaldehyde resin, 6 to 14 parts of sodium hydroxide and 40 to 60 parts of sodium chloride. After being mixed with an acrylate system in a two-component acrylate adhesive, the curing agent cannot be cured immediately, can be stably stored without chemical reaction, has controllable mixing and construction periods, and has the advantages that compared with other resin used as a wrapping material, the curing agent disclosed by the invention can resist high temperature of 150 DEG C, is flame-retardant, water-resistant and good in lubricity, and the curing agent is in contact with acrylate and initiates a curing reaction only when the microcapsule is squeezed to be broken in a screwing and meshing stage of a screw.

Description

technical field [0001] The invention relates to the field of curing agents, in particular to a microcapsule anaerobic precoating glue curing agent and a preparation method thereof. Background technique [0002] The current anaerobic adhesives are divided into two types: on-site glue application and pre-coating glue. Pre-coating glue must use pre-coating curing agent. Some pre-coating curing agents on the market currently focus on the temperature resistance of the pre-baking process. However, if the water resistance is not improved during the storage process, it is easy to cause the microcapsules to fail when the curing agent is stored alone. However, the wear-resistant and water-resistant microcapsule curing agent cannot be baked at high temperature in the two-component mixed pre-coating, otherwise it will cause the capsules to soften. Failure, premature curing. Contents of the invention [0003] Aiming at the above problems, the present invention provides a microcapsule ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J11/08C09J11/06C09J133/04B01J13/02
CPCC09J11/08C09J11/06C09J133/04B01J13/02
Inventor 于虎孟惠杨熹珠
Owner JINAN HANSIMAN TIMES TECH
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