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Environment-friendly nontoxic ultralight clay and preparation method thereof

An ultra-light clay and environmentally friendly technology, applied in the field of children's toys, can solve problems such as toxicity, boric acid, excessive borax, and children's health hazards

Pending Publication Date: 2021-04-27
CRERAX SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are many types of ultra-light clay on the market, but borax and boric acid are all used as crosslinking agents, and there is an excess of boric acid and borax
Boric acid and borax are toxic to a certain extent and are likely to cause harm to children's health

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Raw material composition (mass percentage): rubber powder 5%, citric acid 1.2%, thickener 3%, resin emulsion 4%, modified superfine calcium carbonate 0.7%, foaming powder 5%, medical glycerin 4%, vaseline 2 %, water 74.8%, paraben 0.3%.

[0022] The foaming powder is macromolecular expandable microspheres, grade DE1501, produced by Cresire Technology (Shanghai) Co., Ltd. The rubber powder is a mixture of polyvinyl alcohol and polyethylene oxide, the mass ratio is 9:1; the molecular weight of polyvinyl alcohol is 150,000. The molecular weight of polyethylene oxide is 600,000. The thickener is guar gum and sodium alginate, the mass ratio is 2:1. The resin emulsion is ethylene-vinyl acetate emulsion with a solid content of 50% and a viscosity of 3000mPa·s. The mesh number of the modified superfine calcium carbonate is 3000 mesh, and the modification method is as follows: first weigh 100 parts by mass of nano-calcium carbonate, and then add 2 parts by mass of stearic aci...

Embodiment 2

[0027] Raw material composition (mass percentage): rubber powder 12%, citric acid 0.8%, thickener 5%, resin emulsion 5%, modified superfine calcium carbonate 1%, foaming powder 5.2%, medical glycerin 6.2%, vaseline 3% %, water 61%, paraben 0.8%.

[0028] The foaming powder is macromolecule expandable microspheres, brand name WE1501, from Cresire Technology (Shanghai) Co., Ltd. The rubber powder is a mixture of polyvinyl alcohol and polyethylene oxide, the mass ratio is 20:1; the molecular weight of polyvinyl alcohol is 120,000. The molecular weight of polyethylene oxide is 60w. The thickener is gelatin and sodium alginate, the mass ratio is: 4:1. The resin emulsion is ethylene-vinyl acetate emulsion with a solid content of 50% and a viscosity of 3500mPa·s. The mesh number of the modified superfine calcium carbonate is 5000 mesh, and the modification method is as follows: first weigh 100 parts by mass of nano-calcium carbonate, and then add 2 parts by mass of stearic acid to...

Embodiment 3

[0033] Raw material composition (mass percentage): rubber powder 20%, citric acid 0.6%, thickener 2%, resin emulsion 6%, modified superfine calcium carbonate 2%, foaming powder 4%, medical glycerin 6%, vaseline 3.4% %, water 56%.

[0034] The foaming powder is macromolecule expandable microspheres, brand name WE1501, from Cresire Technology (Shanghai) Co., Ltd. The rubber powder is a mixture of polyvinyl alcohol and polyethylene oxide, the mass ratio is 15:1; the molecular weight of polyvinyl alcohol is 110,000. The molecular weight of polyethylene oxide is 800,000. The thickener is a mixture of guar gum, gelatin and sodium alginate in a mass ratio of 3:2:1. The viscosity of the resin emulsion is ethylene-vinyl acetate emulsion with a solid content of 55% and a viscosity of 5000 mPa·s. The mesh number of the modified superfine calcium carbonate is 8000 mesh, the modification method: first weigh 100 parts by mass of nano-calcium carbonate, then add 2 parts by mass of stearic...

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Abstract

The invention provides environment-friendly non-toxic ultralight clay and a preparation method thereof, and belongs to the technical field of toys for children. The environment-friendly non-toxic ultralight clay comprises the following components in percentage by weight: 5-20% of rubber powder, 2-8% of a thickener, 0.5-2% of citric acid, 4-8% of resin emulsion, 0.5-5% of modified ultra-fine calcium carbonate, 3-12% of foaming powder, 4-10% of glycerol, 1-5% of vaseline and the balance of water. The formula of the ultra-light clay adopts non-toxic and environment-friendly materials, the clay does not contain components harmful to human bodies, is healthy and environment-friendly and does not cause harm to children during use, the provided preparation method is simple to operate and low in production cost, citric acid is creatively used for replacing boric acid borax as a cross-linking agent, and the obtained product has good formability, is not sticky to hands, is not easy to crack after being dried and can be stored for a long time.

Description

technical field [0001] The invention relates to the technical field of children's toys, in particular to an environmentally friendly and non-toxic ultra-light clay and a preparation method thereof. Background technique [0002] Ultralight clay, also known as space clay, is a type of paper clay. Ultra-light clay is a new hand-made modeling material that feels comfortable when kneaded, not sticky, and is more suitable for modeling. Works made of ultra-light clay do not need to be baked, they can be molded after natural air drying, and there are no cracks after molding. Due to the above characteristics, ultra-light clay is very suitable as a toy to improve children's hands-on ability and stimulate creativity. There are many types of ultra-light clays on the market, but all of them use borax and boric acid as cross-linking agents, and there is an excess of boric acid and borax. Boric acid and borax are toxic to a certain extent and are likely to cause harm to children's healt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/04C08L71/02C08L23/08C08L5/00C08L89/00C08L5/04C08K13/06C08K9/04C08K3/26C08K5/092C08K5/053C08J9/32
CPCC08J9/32C08J9/0061C08J9/0095C08J9/009C08J9/0023C08J2203/22C08K13/06C08K9/04C08K2201/011C08K2003/265C08K5/092C08K5/053C08J2329/04C08J2471/02C08J2423/08C08J2405/00C08J2489/00C08J2405/04
Inventor 刘海洋潘佳浩刘雪云
Owner CRERAX SCI & TECH CO LTD
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