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An underwater adhesive for live coral transplantation

A technology of adhesives and corals, applied in the direction of adhesives, adhesive types, non-polymer adhesive additives, etc., can solve the problems of gel time research and poor reference, achieve short curing time, improve brittle cracking, Easy to apply effect

Inactive Publication Date: 2017-06-20
SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the patent has not studied the gel time, and the reference is poor.

Method used

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  • An underwater adhesive for live coral transplantation
  • An underwater adhesive for live coral transplantation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] The underwater adhesive for living coral transplantation provided in this example is composed of component A and component B, wherein the mass ratio of component A and component B is 1.57:1,

[0047] Component A is composed of the following components in parts by mass:

[0048] Hydrophobic epoxy resin: 43

[0049] Coupling agent: 1.5

[0050] Toughener: 2

[0051] Thinner: 0.4

[0052] Absorbent Filling: 3

[0053] Component B is composed of the following components in parts by mass:

[0054] Hydrophobic curing agent: 50

[0055] Accelerator: 1.

[0056] The hydrophobic epoxy resin is E44 epoxy resin.

[0057] The coupling agent is 3-glycidyl etheroxypropyl trimethoxysilane kh560.

[0058] The toughening agent is dibutyl phthalate.

[0059] The diluent is polypropylene glycol diglycidyl ether.

[0060] Polypropylene glycol diglycidyl ether is miscible with epoxy resin, has low viscosity at room temperature, and is a good diluent for epoxy resin.

[0061] The wa...

Embodiment 2

[0069] The underwater adhesive for living coral transplantation provided in this example is composed of component A and component B, wherein the mass ratio of component A and component B is 2.0:1,

[0070] Component A is composed of the following components in parts by mass:

[0071] Hydrophobic epoxy resin: 65

[0072] Coupling agent: 0.8

[0073] Toughener: 3.5

[0074] Thinner: 0.2

[0075] Absorbent Filling: 8

[0076] Component B is composed of the following components in parts by mass:

[0077] Hydrophobic curing agent: 25

[0078] Accelerators: 2.5.

[0079] The hydrophobic epoxy resin is E44 epoxy resin.

[0080] The coupling agent is 3-glycidyl etheroxypropyl trimethoxysilane kh560.

[0081] The toughening agent is dibutyl phthalate.

[0082] The diluent is polypropylene glycol diglycidyl ether.

[0083] Polypropylene glycol diglycidyl ether is miscible with epoxy resin, has low viscosity at room temperature, and is a good diluent for epoxy resin.

[0084] ...

Embodiment 3

[0089] The underwater adhesive for living coral transplantation provided in this example is composed of component A and component B, wherein the mass ratio of component A and component B is 2.8:1,

[0090] Component A is composed of the following components in parts by mass:

[0091] Hydrophobic epoxy resin: 50

[0092] Coupling agent: 1.0

[0093] Toughener: 2.5

[0094] Thinner: 0.3

[0095] Absorbent Filling: 5

[0096] Component B is composed of the following components in parts by mass:

[0097] Hydrophobic curing agent: 35

[0098] Accelerator: 1.8.

[0099] The hydrophobic epoxy resin is E44 epoxy resin.

[0100] The coupling agent is 3-glycidyl etheroxypropyl trimethoxysilane kh560.

[0101] The toughening agent is dibutyl phthalate.

[0102] The diluent is polypropylene glycol diglycidyl ether.

[0103] Polypropylene glycol diglycidyl ether is miscible with epoxy resin, has low viscosity at room temperature, and is a good diluent for epoxy resin.

[0104] T...

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Abstract

The invention discloses an underwater adhesive used for living coral transplantation. The adhesive is composed of component A and component B, and the mass ratio of component A and component B is 1.57-2.8:1. Component A is composed of the following components by mass ratio: Hydrophobic epoxy resin: 43~65, coupling agent: 0.8~1.5, toughening agent: 2~3.5, diluent: 0.2~0.4, water-absorbing filler: 3~8; Component B is composed of the following components by mass ratio: hydrophobic curing agent: 25~50, accelerator: 1~2.5. The adhesive has the advantages of non-toxicity, short curing time, high bonding strength and easy operation. At the same time, it can avoid the influence of toxic components on living corals, avoid secondary damage to transplanted corals, and greatly improve the survival rate of coral transplants. . The invention also discloses a preparation method of the above-mentioned underwater adhesive for living coral transplantation.

Description

technical field [0001] The invention belongs to the technical field of adhesives, and in particular relates to an underwater adhesive used for living coral transplantation. Background technique [0002] Coral reefs have high biodiversity and primary productivity, and play an important role in marine ecosystems. They provide many marine organisms with places to spawn, reproduce, inhabit and hide from the sea, thereby increasing marine fishery production. People can use coral reefs to harvest food, develop medicines, raw materials, and travel and watch, directly benefiting humans, etc. However, in recent years, due to human activities and global climate change, there have been serious threats to the survival of corals, which has led to the threat of degradation of the coral reef ecosystem. The serious decline of fishery resources and the reduction of biodiversity in reef areas make it urgent to restore coral reef habitats. [0003] Coral transplantation is a major aspect of c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J163/00C09J11/06C09J11/04C09J11/00
Inventor 王云祥秦传新朱铭杰陈丕茂黎小国袁华荣佟飞
Owner SOUTH CHINA SEA FISHERIES RES INST CHINESE ACAD OF FISHERY SCI
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