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Antibacterial flame retardant polyurethane pouring sealant

A potting and polyurethane technology, applied in the field of potting, can solve the problems of limiting the application of polyurethane potting, poor flame retardant performance, fast burning speed, etc., to achieve excellent mechanical strength, improve flame retardancy, and improve resistance. flammable effect

Inactive Publication Date: 2016-04-13
ANHUI ANDA HUATAI NEW MATERIALS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of society, people have put forward higher requirements for the performance of polyurethane potting adhesives. The antibacterial properties of existing polyurethane potting adhesives can no longer meet the requirements of society and need to be improved. In addition, the burning speed of polyurethane is fast, And toxic gas will be produced during the combustion process, which causes most of the existing polyurethane potting adhesives to have poor flame retardancy during use, which limits the application of polyurethane potting adhesives

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] A kind of antibacterial flame-retardant polyurethane encapsulant that the present invention proposes, its raw material comprises the following components by weight: polyether polyol 200 parts, hexamethylene diisocyanate 20 parts, methylcyclohexyl diisocyanate 45 parts, catalyst 0.2 parts, 10 parts of nano-zinc oxide, 2 parts of nano-titanium dioxide, 6 parts of nano-aluminum hydroxide, 3 parts of organically modified montmorillonite, 10 parts of carbon nanotubes, 1 part of hexadecyltrimethylammonium chloride, nano 5 parts of silver, 8 parts of bamboo charcoal powder, 15 parts of quaternary ammonium salt, 3 parts of tricresyl phosphate, 15 parts of dipropylene glycol dibenzoate, 8 parts of dipropylene glycol phthalate, 2.5 parts of 8-hydroxyquinolinone , 5 parts of vinyl-terminated silicone oil, and 8 parts of vinyl triethoxysilane-platinum complex.

Embodiment 2

[0018] An antibacterial and flame-retardant polyurethane potting glue proposed by the present invention, its raw materials include the following components by weight: 150 parts of polyether polyol, 35 parts of hexamethylene diisocyanate, 30 parts of methylcyclohexyl diisocyanate, catalyst 0.6 parts, 3 parts of nano-zinc oxide, 8 parts of nano-titanium dioxide, 2 parts of nano-aluminum hydroxide, 8 parts of organically modified montmorillonite, 2 parts of carbon nanotubes, 5 parts of hexadecyltrimethylammonium chloride, nano 1 part of silver, 2 parts of bamboo charcoal powder, 8 parts of quaternary ammonium salt, 12 parts of tricresyl phosphate, 5 parts of dipropylene glycol dibenzoate, 15 parts of dipropylene glycol phthalate, 1 part of 8-hydroxyquinolinone , 15 parts of vinyl-terminated silicone oil, and 2 parts of vinyl triethoxysilane-platinum complex.

Embodiment 3

[0020] An antibacterial flame-retardant polyurethane potting glue proposed by the present invention, its raw materials include the following components by weight: 180 parts of polyether polyol, 31 parts of hexamethylene diisocyanate, 38 parts of methylcyclohexyl diisocyanate, catalyst 0.6 parts, 6.5 parts of nano-zinc oxide, 6.2 parts of nano-titanium dioxide, 4.3 parts of nano-aluminum hydroxide, 6 parts of organically modified montmorillonite, 7 parts of carbon nanotubes, 3.1 parts of hexadecyltrimethylammonium chloride, nano 3 parts of silver, 6 parts of bamboo charcoal powder, 10 parts of quaternary ammonium salt, 9 parts of tricresyl phosphate, 8 parts of dipropylene glycol dibenzoate, 12 parts of dipropylene glycol phthalate, 1.6 parts of 8-hydroxyquinolinone , 10 parts of vinyl-terminated silicone oil, 3.5 parts of vinyl triethoxysilane-platinum complex;

[0021] Wherein, the average particle diameter of the nano-zinc oxide is 20nm; the average particle diameter of the ...

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Abstract

The invention discloses an antibacterial flame retardant polyurethane pouring sealant. The pouring sealant comprises the following raw materials: polyether polyol, hexamethylene diisocyanate, methyl cyclohexyl diisocyanate, a catalyst, nano-zinc oxide, nano-titania, nano aluminium hydroxide, organically modified montmorillonite, carbon nanotubes, cetyltrimethyl ammonium chloride, nano-silver, bamboo charcoal powder, quaternary ammonium salt, tricresyl phosphate, dipropylene glycol dibenzoate, dipropylene glycol phthalate, 8-hydroxyquinolinone, vinyl-terminated silicone oil and a vinyltriethoxysilane-platinum complex. The antibacterial flame retardant polyurethane pouring sealant provided by the invention has excellent antibacterial properties, good flame retardant property, high bonding strength and long service life.

Description

technical field [0001] The invention relates to the technical field of potting glue, in particular to an antibacterial and flame-retardant polyurethane potting glue. Background technique [0002] Potting glue is mainly used for the bonding of electronic components in electronic equipment. It is also called electronic glue. It is liquid before it is cured and has fluidity. After curing, it can play waterproof, moisture-proof, dust-proof, insulation and heat conduction. , Confidentiality, anti-corrosion, temperature resistance, shock resistance, can be used for bonding, sealing, potting and coating protection of electronic components. At present, the most used ones are mainly epoxy resin potting glue, silicone resin potting glue and polyurethane potting glue. [0003] Polyurethane can have high elasticity and strength in a wide range of hardness. In addition, it has excellent wear resistance, oil resistance, fatigue resistance, vibration resistance, water resistance, electric...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09J175/08C09J183/07C09J11/04C09J11/06
CPCC09J175/08C08K2201/011C08L2201/02C08L2203/206C09J11/04C09J11/06C08L83/04C08K13/06C08K9/04C08K3/346C08K2003/2296C08K2003/2241C08K2003/2227C08K7/24C08K5/19C08K2003/0806C08K3/04C08K5/544
Inventor 许戈文熊潜生霍俊丽戴震何纪慧杨立春
Owner ANHUI ANDA HUATAI NEW MATERIALS CO LTD
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