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Resin clay composition

A technology of resin clay and composition, which is applied in the field of non-toxic and light resin clay composition, and can solve problems such as the influence of the degree of gelation, the degree of gelation of PVA is difficult to control, and the amount of gelling agent added is difficult to control.

Active Publication Date: 2008-08-13
LOTUS STATIONERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the amount of gelling agent added is difficult to control, that is, it is difficult to grasp the degree of gelation of PVA.
At the same time, since the gelation of PVA by borax is thermally reversible, the ambient temperature has a greater impact on the degree of gelation.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0084] The preparation method of clay of the present invention may further comprise the steps:

[0085] A solution of 16 parts by weight of a water-soluble resin in 40-80 parts by weight of water is provided, wherein the water-soluble resin is composed of polyvinyl alcohol and polyethylene oxide in a weight ratio of 15:1-2:1;

[0086] Add 4-10 parts by weight of filler, 0-5 parts by weight of surfactant, 0-15 parts by weight of humectant, 0-5 parts by weight of coloring agent, and 0-5 parts by weight of bactericide in the solution, Mix evenly and extrude to obtain the clay.

[0087] In a specific embodiment of the present invention, accurately weigh the required amount of pure water into the reaction kettle, add the above-mentioned amount of PVA and PEO resin while stirring, and heat up to 60-80°C to dissolve it. After the resin is completely dissolved, cool down to 40-60°C, add humectants, bactericides, dispersants, colorants, fillers, etc. in turn, mix well, and extrude to ...

Embodiment 1

[0094] Formulation (units are parts by weight):

[0095] Water-soluble resin:

[0096] PVA 1788 (polymerization degree 1700, alcoholysis degree 88mol%) 14

[0097] PEO molecular weight 500,000 2

[0098] TS-720① 8

[0099] OP-10② 2.5

[0100] Glycerin 8.3

[0101] Pigment Yellow 1.0

[0102] Proxel XL2③ 2.5

[0103] water 61.7

[0104] ①Silica TS-720, Cabot Corporation

[0105] ②OP-10, non-ionic surfactant, chemical name: nonylphenol polyoxyethylene ether, Shanghai Chemical Reagent Co., Ltd.

[0106] ③ Proxel XL2 is a fungicide purchased from Weilai Huinan Group.

[0107] The preparation method is as follows:

[0108] Accurately weigh the required amount of pure water into the reaction kettle, add PVA and PEO while stirring, and heat up to 60-80°C to dissolve it. After the resin is completely dissolved, cool down to 40-60°C, add humectants, bactericides, dispersants, colorants, and fillers in sequence, mix evenly, and extrude to obtain colored clay p...

Embodiment 2

[0118]Water-soluble resin:

[0119] PVA1788 14

[0120] PEO molecular weight 500,000 2

[0121] TS-720 8

[0122] water 61.7

[0123] The preparation method is as follows:

[0124] Prepare according to the method of Example 1, the difference is: Example 2 does not add auxiliary agents such as humectants, bactericides, dispersants, coloring agents in the formula.

[0125] The product of the embodiment 2 obtained detects according to the method of embodiment 1, obtains the result as follows:

[0126] (1) Sticky hands: Gently knead the sample with hands, and it feels slightly sticky, but no clay adheres to the hands. qualified.

[0127] (2) Cracking: no cracks, qualified

[0128] (3) Drying time: The drying time is about 4 hours.

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Abstract

The invention provides a non-toxic light-weight resin clay compound, comprising: 16 parts by weight of water-soluble resin, 4-10 parts by weight of filler, 0-5 parts by weight of surfactant, 1-15 parts by weight of humectants, 0-5 parts by weight of colorant, 0-5 parts by weight of bactericide, 40-80 parts by weight of water, wherein mentioned water-soluble resin comprises polyvinyl alcohol and polyethylene oxide with a weight ratio between 15:1 to 2:1. The mentioned compound can be used to prepare a safe, non-toxic, light-weight resin clay suitable for long-time storage.

Description

technical field [0001] The invention relates to a resin clay composition, in particular to a nontoxic and light resin clay composition. Background technique [0002] Traditional clay or plasticine is generally based on paraffin, rubber, polyvinyl chloride paste resin, etc., and contains a large amount of plasticizers, such as dibutyl phthalate or dioctyl phthalate, Vaseline etc. This kind of plasticine has poor adaptability to temperature difference (hard in winter and hard to pinch, hot in summer and easy to stick to hands), and more importantly, its components can cause certain toxicity, pollute the environment, and are harmful to the body. [0003] In order to overcome the above problems, this plasticine has been basically replaced by flour plasticine, which is also called "colored clay" on the market. The main ingredients of colored clay are flour and water. This kind of colored clay has the advantages of non-toxic, non-polluting, and good hand feeling during the prod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L29/04C08K13/02C08K3/34C08L71/02
Inventor 王莉周炜黄小喜
Owner LOTUS STATIONERY
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