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Amino molding plastic capable of solidifying quickly and being stored for long time

An amino molding compound, fast-curing technology, applied in the field of fast-curing long-storage amino molding compound, to achieve stable storage performance, enhance the activity of the curing agent, and reduce energy consumption

Active Publication Date: 2012-06-20
JIANGSU SANJO INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This shows that there is a conflict between increasing the curing speed and extending the shelf life

Method used

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  • Amino molding plastic capable of solidifying quickly and being stored for long time
  • Amino molding plastic capable of solidifying quickly and being stored for long time
  • Amino molding plastic capable of solidifying quickly and being stored for long time

Examples

Experimental program
Comparison scheme
Effect test

Embodiment A1

[0038] (1) Add 45 parts of water into the reaction kettle, then add 21 parts of triethanolamine, heat to 35°C, adjust the pH to 8.5-PH 9.0 with ammonia water, and obtain an alkaline triethanolamine aqueous solution;

[0039] (2) Keep the temperature in the reaction kettle at 35° C., add 22 parts of ammonium sulfamate in the aqueous solution of triethanolamine and dissolve it, so as to obtain an ammonium triethanolamine disulfonate solution;

[0040] (3) In the above triethanolamine disulfonate ammonium solution, add 5 parts of zinc oxide / magnesium hydroxide = 1 / 1 inorganic nanoparticle mixture, control the temperature at 40°C, and react for 30 minutes, then cool it through the water in the reactor jacket to room temperature to prepare a latent curing agent for absorbing inorganic nanoparticles with sulfamic acid, that is, a latent curing agent for sulfamic acid-containing inorganic nanoparticles.

Embodiment A2

[0042] (1) Add 43 parts of water into the reaction kettle, then add 20 parts of triethanolamine, heat to 35°C, adjust the pH to 8.5-PH 9.0 with ammonia water, and obtain an alkaline triethanolamine aqueous solution;

[0043] (2) Keep the temperature in the reaction kettle at 35° C., add 22 parts of calcium iminodisulfonate to the aqueous solution of triethanolamine and dissolve it to obtain an ammonium triethanolamine disulfonate solution;

[0044] (3) In the above triethanolamine disulfonate ammonium solution, add 5 parts of zinc oxide / magnesium hydroxide = 1 / 1 inorganic nanoparticle mixture, control the temperature at 40°C, and react for 30 minutes, then cool it through the water in the reactor jacket to room temperature to prepare a latent curing agent for absorbing inorganic nanoparticles with sulfamic acid, that is, a latent curing agent for sulfamic acid-containing inorganic nanoparticles.

Embodiment A3

[0046] (1) Add 48 parts of water into the reaction kettle, then add 23 parts of triethanolamine, heat to 35°C, adjust the pH to 8.5-PH 9.0 with ammonia water, and obtain an alkaline triethanolamine aqueous solution;

[0047] (2) Keep the temperature in the reaction kettle at 35° C., add 22 parts of sodium sulfamate in the triethanolamine aqueous solution and dissolve it to obtain a solution of ammonium triethanolamine disulfonate;

[0048] (3) In the above triethanolamine disulfonate ammonium solution, add 6 parts of zinc oxide / magnesium hydroxide = 1 / 1 inorganic nanoparticle mixture, control the temperature at 40°C, and react for 30 minutes, then cool it through the water in the reactor jacket to room temperature to prepare a latent curing agent for absorbing inorganic nanoparticles with sulfamic acid, that is, a latent curing agent for sulfamic acid-containing inorganic nanoparticles.

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Abstract

The invention relates to an amino molding plastic capable of solidifying quickly and being stored for a long time. The weight parts of amino sulfonated inorganic nano latent curing agent include 18-35 parts of sulfamic acid compound, 15-25 parts of triethanolamine, 0-7 parts of inorganic nano particles, and 40-50 parts of water. The weight parts of the amino molding plastic include 1500-3500 parts of urea, 4000-6000 parts of formaldehyde, 200-400 parts of tripolycyanamide, 10-120 parts of low shrink, 50-140 parts of 6- methyne-4-ammonia, 0-50 parts of amino sulfonated inorganic nano latent curing agent, 0-80 parts of diethyl oxalate, 50-150 parts of lubricant, 0-500 parts of dispersing agent, 100-500 parts of filler, 1000-2500 parts of cellulose, and 5-50 parts of pigment, wherein the curing time lasts 15-20 s / mm at the temperature of 135-140 DEG C, and the amino molding plastic can be stored at the temperature of 25 DEG C for more than 180 days.

Description

technical field [0001] The invention relates to a fast-curing long-storage amino molding compound. The fast curing and long storage period mainly refers to the fast curing rate and high production efficiency of amino molding plastic molding products, and the storage period is more than 180 days at 25°C; the amino molding plastic is composed of urea, formaldehyde, melamine and its additives The compound is mainly used as a material for forming electrical panels and electrical casings, as well as high-grade sanitary ware and other products. technical background [0002] Amino molding compound raw materials are cheap, free to color, high surface hardness, smooth, with excellent heat resistance, flame retardant and arc resistance, production process is environmentally friendly, so it is widely used, of which 50% to 60% of amino molding compound is used for Advanced sanitary ware, electrical switches, electrical enclosures, sockets, circuit breakers and lighting appliances and o...

Claims

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Application Information

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IPC IPC(8): C08L61/30C08K13/06C08K9/12C08K5/435C08G12/38
Inventor 肖和平陈洪祖
Owner JIANGSU SANJO INTELLIGENT TECH CO LTD
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