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Reverse osmosis flame-retardant waterproof layer and preparing method thereof

A waterproof layer and reverse osmosis technology, applied in the field of reverse osmosis, can solve the problems of low operating pressure and high desalination rate, and achieve the effects of less pollution, increased desalination rate and low cost

Inactive Publication Date: 2017-04-26
SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Reverse osmosis is an efficient purification method, which has the advantages of high efficiency, low cost, no phase change, easy integration, modularization and automation, etc. It is widely used in the preparation of high-purity water in the electronics industry, medical water preparation, seawater desalination, In many fields such as desalination and sewage recycling, with the shortage of global fresh water resources and the increasingly serious water pollution, reverse osmosis technology is playing an increasingly important role in purification. In the prior art, reverse osmosis membranes lack low operating pressure , flame retardant, waterproof, and high desalination rate, the present invention proposes a reverse osmosis flame retardant waterproof layer and its preparation method

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] This embodiment provides a reverse osmosis flame-retardant waterproof layer, which includes a polysulfone-based membrane layer, a polyamide desalination layer, a flame-retardant layer, a waterproof layer, and a filter layer. The surface of the polysulfone-based membrane layer is coated with a polysulfone coating. The polysulfone coating includes the following components: tetrahydrofuran: 2 parts, diiodomethane: 11 parts, PVC resin: 20 parts, stabilizer: 10 parts, propylene carbonate: 9 parts, benzyl alcohol: 3 parts, o-benzene Dibutyl dicarboxylate: 9 parts, dimethylethanolamine: 5 parts, defoamer: 3 parts;

[0029] The surface of the polyamide desalination layer is coated with a layer of polyamide desalination coating. The polyamide desalination coating includes the following components: tetrahydrofuran: 2 parts, allyl alcohol: 8 parts, nitroethane: 13 parts, ethylene glycol: 9 parts , Crosslinking agent: 15 parts, sodium tetraborate: 3 parts, mixed phosphate: 4 parts, pl...

Embodiment 2

[0041] This embodiment provides a reverse osmosis flame-retardant waterproof layer, which includes a polysulfone-based membrane layer, a polyamide desalination layer, a flame-retardant layer, a waterproof layer, and a filter layer. The surface of the polysulfone-based membrane layer is coated with a polysulfone coating. The polysulfone coating includes the following ingredients: Tetrahydrofuran: 5 parts, Diiodomethane: 16 parts, PVC resin: 30 parts, stabilizer: 13 parts, propylene carbonate: 13 parts, benzyl alcohol: 9 parts, o-benzene Dibutyl dicarboxylate: 12 parts, dimethylethanolamine: 7 parts, defoamer: 5 parts;

[0042] The surface of the polyamide desalination layer is coated with a layer of polyamide desalination coating. The polyamide desalination coating includes the following components: tetrahydrofuran: 7 parts, allyl alcohol: 12 parts, nitroethane: 18 parts, ethylene glycol: 13 parts , Crosslinking agent: 18 parts, sodium tetraborate: 7 parts, mixed phosphate: 9 part...

Embodiment 3

[0054] This embodiment provides a reverse osmosis flame-retardant waterproof layer, which includes a polysulfone-based membrane layer, a polyamide desalination layer, a flame-retardant layer, a waterproof layer, and a filter layer. The surface of the polysulfone-based membrane layer is coated with a polysulfone coating. The polysulfone coating includes the following ingredients: Tetrahydrofuran: 3 parts, Diiodomethane: 15 parts, PVC resin: 25 parts, stabilizer: 12 parts, propylene carbonate: 11 parts, benzyl alcohol: 5 parts, o-benzene Dibutyl dicarboxylate: 11 parts, dimethylethanolamine: 6 parts, defoamer: 4 parts;

[0055] The surface of the polyamide desalination layer is coated with a layer of polyamide desalination coating. The polyamide desalination coating includes the following components: tetrahydrofuran: 5 parts, allyl alcohol: 10 parts, nitroethane: 15 parts, ethylene glycol: 11 parts , Crosslinking agent: 16 parts, sodium tetraborate: 4 parts, mixed phosphate: 7 part...

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Abstract

The invention discloses a reverse osmosis flame-retardant waterproof layer. The reverse osmosis flame-retardant waterproof layer comprises 2-5 parts of tetrahydrofuran, 11-16 parts of diiodomethane, 20-30 parts of PVC resin, 10-13 parts of stabilizer, 9-13 parts of propylene carbonate, 3-9 parts of phenylcarbinol, 9-12 parts of dibutyl phthalate, 5-7 parts of dimethylethanolamine, 3-5 parts of anti-foaming agent, 2-7 parts of tetrahydrofuran, 8-12 parts of propenol, 13-18 parts of nitroethane, 9-13 parts of glycol, 15-18 parts of crosslinking agent, 3-7 parts of sodium tetraborate, 4-9 parts of mixed phosphate, 13-18 parts of plasticizer, 11-13 parts of auxiliary material, 22-28 parts of expansive fire-retardant system, 28-33 parts of ATO powder, 11-15 parts of E-20 epoxy resin, 22-25 parts of alcohol-soluble acrylate resin, 18-22 parts of fire retardant, 5-7 parts of thickening agent, 15-18 parts of coalescing agent, 1-3 parts of tetrahydrofuran, 11-13 parts of sodium silicate, 3-7 parts of 2-butoxyethanol, 22-25 parts of wood fiber powder, 28-31 parts of carbon fiber powder, 9-15 parts of coalescing agent, 12-16 parts of barium sulfate, 3-7 parts of lime powder and 11-13 parts of auxiliary material.

Description

Technical field [0001] The present invention relates to the technical field of reverse osmosis, in particular to a reverse osmosis flame-retardant waterproof layer and a preparation method thereof. Background technique [0002] Reverse osmosis is an efficient purification method with high efficiency, low cost, no phase change, easy integration, modularization and automation. It is widely used in the electronic industry for high-purity water preparation, medical water preparation, seawater desalination, and brackish water. In many fields, such as desalination and sewage recycling, with the global shortage of fresh water resources and the increasingly serious water pollution, reverse osmosis technology plays an increasingly important role in purification. In the existing technology, reverse osmosis membranes lack low operating pressures , Flame retardant, waterproof, and high desalination rate. The present invention proposes a reverse osmosis flame retardant waterproof layer and a ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D71/68B01D69/02B01D67/00C02F1/44C08J7/04C09D5/18C09D133/04C09D163/00C08L81/06
CPCY02A20/131B01D71/68B01D67/0002B01D69/02B01D71/56C02F1/441C08J7/04C08L2201/02C09D5/185C09D133/04C08L63/00
Inventor 王忠义王正勇
Owner SUZHOU KESHENG STORAGE & LOGISTICS EQUIP
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