Moulding material used for high-grade melamine tableware and preparation method thereof

A molding compound and melamine technology, which is applied in the field of melamine tableware materials and preparation, can solve the problems of low density, poor temperature resistance, and poor surface density of melamine tableware

Inactive Publication Date: 2017-10-24
DEQING LIANCHENG AMINO PLASTIC PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Due to the low density and poor surface density of traditional melamine tableware, compared with traditio

Method used

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  • Moulding material used for high-grade melamine tableware and preparation method thereof
  • Moulding material used for high-grade melamine tableware and preparation method thereof
  • Moulding material used for high-grade melamine tableware and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0033] A kind of preparation method of above-mentioned high-grade melamine tableware molding compound, described preparation method comprises the following steps:

[0034] (1) The formaldehyde solution of 100 parts by weight is added in the reactor, and the pH value is adjusted to 8-9 by adding sodium hydroxide;

[0035] (2) Addition reaction: start to heat up, and add 40-60 parts by weight of melamine to heat up to 80-90°C for reaction;

[0036] (3) Polycondensation reaction: when the resin has white precipitation with 4°C water test, lower the temperature to 70-80°C, adjust the pH value to 8-8.5, and react to the end;

[0037] (4) Add triethanolamine in proportion, adjust the pH value, terminate the reaction, and cool to 70° C. to make melamine formaldehyde resin;

[0038] (5) Kneading: add wood cellulose, lubricant, curing agent and the above-mentioned prepared resin kneading with a Z-type low-speed kneader, change the stirring direction regularly, and stir until uniform; ...

Embodiment 1

[0042] Embodiment 1: The molding compound for high-grade melamine tableware according to the present invention, the molding compound adopts the following raw materials and is composed according to the following mass percentages:

[0043]

[0044]

[0045] The inorganic minerals mentioned therein are prepared from silicon micropowder, jade porcelain powder and calcium carbonate at a ratio of 3:1:1.

[0046] A kind of preparation method of above-mentioned high-grade melamine tableware molding compound, described preparation method comprises the following steps:

[0047] (1) The formaldehyde solution of 100 parts by weight is added in the reactor, and the pH value is adjusted to 8.5 by adding sodium hydroxide;

[0048] (2) Addition reaction: start to heat up, and add 50 parts by weight of melamine and heat up to 85°C for reaction;

[0049] (3) Polycondensation reaction: when the resin has white precipitation with 4°C water test, lower the temperature to 75°C, adjust the pH...

Embodiment 2

[0055] Embodiment 2: A high-grade melamine tableware molding compound according to the present invention, the molding compound is composed of the following raw materials according to the following mass percentages:

[0056]

[0057]

[0058] The above ingredients are based on 100% by weight;

[0059] The inorganic minerals are composed of silicon micropowder, jade porcelain powder and calcium carbonate, wherein the silicon micropowder, jade porcelain powder and calcium carbonate are respectively composed in a ratio of 3:0.5:1.5.

[0060] A kind of preparation method of above-mentioned high-grade melamine tableware molding compound, described preparation method comprises the following steps:

[0061] (1) The formaldehyde solution of 100 parts by weight is added in the reactor, and the pH value is adjusted to 8 by adding sodium hydroxide;

[0062] (2) Addition reaction: start to heat up, and add 40 parts by weight of melamine and heat up to 80°C for reaction;

[0063] (3...

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Abstract

The invention relates to a moulding material used for high-grade melamine tableware and a preparation method thereof. The moulding material is prepared from the following raw materials in percentage by mass: 35-65% of melamino-formaldehyde resin, 25-35% of inorganic minerals, 5-15% of organic silicon resin, 2-6% of wood cellulose, 0.5-1% of a lubricating agent, 0.5-1% of a curing agent, 1-2% of titanium white, 1-4% of triethanolamine and 0-1% of pigment, wherein the sum of the weight percents of all the raw materials is 100%; and the inorganic minerals are formed by mixing silica powder, jade porcelain and calcium carbonate in a ratio of 3:(0.5-1.5):(0.5-1.5). The preparation method comprises the following steps: preparing the melamino-formaldehyde resin, kneading, drying, crushing and carrying out ball milling, and packaging. According to the invention, the inorganic mineral and organic silicon resin are added into melamine resin, and compression moulding is carried out, so that the tableware has the characteristics of higher density, strong compactness, higher break resistance, light transmission, glittering and translucent carving appearance and better quality compared with ceramic tableware.

Description

technical field [0001] The invention relates to a high-grade melamine tableware molding compound and a preparation method thereof, belonging to the technical field of melamine tableware materials and preparation. Background technique [0002] Due to the low density and poor surface density of traditional melamine tableware, compared with traditional porcelain tableware, the appearance texture is poor, the grade is low, and the temperature resistance is poor. Contents of the invention [0003] The purpose of the present invention is to overcome the deficiencies in the prior art, and to provide a method of pressing and molding melamine resin by adding inorganic minerals and silicone resin, so that the density of the tableware is increased, the compactness is strong, it is more resistant to falling, and it has a transparent A molding compound for high-grade melamine tableware that is superior in quality to ceramic tableware and has a crystal-clear appearance and a preparation...

Claims

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Application Information

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IPC IPC(8): C08L61/28C08L83/04C08L97/02C08K3/00C08K3/22C08K3/36C08K3/26C08G12/32
CPCC08L61/28C08G12/32C08K2003/2241C08K2003/265C08L2201/10C08L2205/03C08L83/04C08L97/02C08K3/00C08K3/22C08K3/36C08K3/26
Inventor 严明亮
Owner DEQING LIANCHENG AMINO PLASTIC PROD CO LTD
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