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Light stone-plastic clay and preparation method thereof

A stone-plastic, lightweight technology, used in the field of clay material processing and production, can solve the problems of laborious production and hard material, and achieve the effect of accelerated drying speed, good softness, and light texture.

Active Publication Date: 2022-02-08
LUOHE LOUFOR STATIONERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the molding and curing of soft clay requires high temperature baking, and the material is relatively hard, making it more difficult to make
[0004] The stone plastic clay material prepared by coupling mineral raw materials and glue has no related literature.

Method used

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  • Light stone-plastic clay and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A light stone plastic clay, made of the following raw materials in parts by weight: 41 parts of nanoscale shell powder, 15 parts of gypsum powder, 9 parts of calcined kaolin, 11 parts of lignin fiber, 12 parts of water, and 6 parts of polyvinyl acetate emulsion , 3 parts of peach gum, 2 parts of glycerin, 0.5 part of silane coupling agent KH570, 0.5 part of phenoxyethanol.

[0022] The method for preparing lightweight stone plastic clay, comprises the following steps:

[0023] 1) Preparation of calcined kaolin: put kaolin in a high-temperature-resistant container, add ammonium chloride particles of 10% of the mass of the kaolin, mix evenly, and place the high-temperature-resistant container containing kaolin and ammonium chloride particles in a muffle furnace Heating, set the heating rate at 2°C / min, program the temperature up to 400°C, deflate until there is little or no smoke, close the door of the muffle furnace, continue to heat up to 550°C at a heating rate of 3°C / ...

Embodiment 2

[0026] A light stone plastic clay, made of the following raw materials in parts by weight: 42 parts of nanoscale shell powder, 10 parts of gypsum powder, 8 parts of calcined kaolin, 14 parts of lignin fiber, 12 parts of water, and 6 parts of polyvinyl acetate emulsion , 3 parts of peach gum, 4 parts of glycerin, 0.4 parts of silane coupling agent KH570, 0.6 parts of phenoxyethanol.

[0027] The preparation method of this embodiment refers to embodiment 1.

Embodiment 3

[0029] A light stone plastic clay, made of the following raw materials in parts by weight: 40 parts of nanoscale shell powder, 10 parts of gypsum powder, 11 parts of calcined kaolin, 16 parts of lignin fiber, 9 parts of water, and 6 parts of polyvinyl acetate emulsion , 5 parts of peach gum, 2 parts of glycerin, 0.6 parts of silane coupling agent KH570, 0.4 parts of phenoxyethanol.

[0030] The preparation method of this embodiment refers to embodiment 1.

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Abstract

The invention discloses light stone-plastic clay which is prepared from the following raw materials in parts by weight: 35-55 parts of shell powder, 8-18 parts of gypsum powder, 6-18 parts of calcined kaolin, 10-20 parts of lignin fibers, 4-18 parts of water, 1-10 parts of polyvinyl acetate emulsion, 1-7 parts of peach gum, 1-10 parts of a humectant, 0.1-1.5 parts of a coupling agent and 0.1-1.5 parts of a preservative. Meanwhile, the invention provides a corresponding preparation method. The stone-plastic clay disclosed by the invention is flexible in texture, has good plasticity, can be repeatedly processed, can delicately depict all details, does not need to be baked, can be naturally air-dried, can be polished after being cured, is high in finished product texture, and feels like ceramics after being colored.

Description

technical field [0001] The invention belongs to the technical field of clay material processing and production. Background technique [0002] The ultra-light clay material is water-based mud, which has excellent tensile properties, no greasy feeling, no peculiar smell, bright colors, pure color, and can be freely adjusted like watercolor. Mud of different colors can be mixed together to become a third color. It can be placed in the air to dry naturally without baking. At present, ultra-light clays with good tensile strength use boric acid or borax as a cross-linking agent, thereby changing the gel properties of polyvinyl alcohol. However, boric acid or borax is highly toxic, and it will be deposited in the body and difficult to discharge, causing harm to children's health. The boron-free ultra-light clay has almost no pulling force, and the experience is poor. The ultra-light clay becomes lighter after air-drying and has a strong plastic feel. [0003] Soft clay, also ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/28C04B111/40C04B111/54
CPCC04B26/28C04B2111/40C04B2111/54C04B24/026C04B24/26C04B24/42C04B18/26C04B14/106C04B14/28C04B14/365
Inventor 宋亚丽杨晓明
Owner LUOHE LOUFOR STATIONERY MFG
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