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Additive for improving plastic hardness

An additive and plastic technology, applied in the field of plastic processing, can solve the problems of insignificant effect of additives, limited use range, lack of elasticity, etc., and achieve the effects of good performance, improved hardness, and easy operation.

Inactive Publication Date: 2017-05-17
南宁市钜丰塑业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Increasing the hardness of plastics is the most important process in the plastics industry. Among the existing plastic hardness additives, some additives have no obvious effect. They have hardness but do not have corresponding elasticity, which makes plastics easy to be damaged during actual use, and the scope of use is limited. limit

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Mix straw mushroom and ethanol according to the mass ratio of 1:0.7, and extract at 52°C for 50 minutes to obtain straw mushroom extract, which is set aside.

[0016] An additive to improve the hardness of plastics, the following components are weighed in units of g: 100g of cassava modified starch, 20g of rosin, 10g of alkali lignin, 1g of the above-mentioned spare straw mushroom extract, 1g of Pingpingjia, 0.1g of acetic acid, and cerium nitrate 0.01g and 1g of silicon dioxide, mix and stir the raw materials of the obtained components evenly to obtain the additive for improving the hardness of plastics. The additive to increase the hardness of the plastic is added when the materials are mixed before plastic extrusion molding, and then extruded after uniform mixing. The additive to increase the hardness of the plastic is used in a mass ratio of 0.01:1 to the plastic raw material.

Embodiment 2

[0018] Mix the straw mushroom and ethanol according to the mass ratio of 1:1.3, and extract at 53°C for 20 minutes to obtain the straw mushroom extract, which is set aside.

[0019] An additive to improve the hardness of plastics. The following components are weighed in units of g: 200g of cassava modified starch, 50g of rosin, 30g of alkali lignin, 7g of the above-mentioned spare straw mushroom extract, 3g of Pingpingjia, 0.3g of acetic acid, and cerium nitrate 0.02g and 2g of silicon dioxide, mix and stir the raw materials of the obtained components evenly to obtain the additive for improving the hardness of plastics. Additives to increase the hardness of plastics are added when the materials are mixed before plastic extrusion molding, and then extruded after uniform mixing. The additives to increase the hardness of plastics are used in a mass ratio of 0.09:1 to the plastic raw materials.

Embodiment 3

[0021] Mix straw mushroom and ethanol according to the mass ratio of 1:1, and extract at 52°C for 35 minutes to obtain the straw mushroom extract, which is set aside.

[0022] An additive to improve the hardness of plastics. The following components are weighed in units of g: 150g of cassava modified starch, 35g of turpentine, 20g of alkali lignin, 4g of the above-mentioned spare straw mushroom extract, 2g of Pingpingjia, 0.2g of acetic acid, and cerium nitrate 0.01g and 2g of silicon dioxide, mix and stir the raw materials of the obtained components evenly to obtain the additive for improving the hardness of plastics. Additives to increase the hardness of plastics are added when the materials are mixed before plastic extrusion molding, and then extruded after uniform mixing. The additives to increase the hardness of plastics are used in a mass ratio of 0.05:1 to the plastic raw materials.

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PUM

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Abstract

The invention discloses an additive for improving plastic hardness. The additive comprises the following components in parts by weight: 100 to 200 parts of modified starch, 20 to 50 parts of rosin, 10 to 30 parts of alkali lignin, 1 to 7 parts of straw mushroom extract, 1 to 3 parts of peregal, 0.1 to 0.3 part of acetic acid, 0.01 to 0.02 part of cerous nitrate and 1 to 2 parts of silicon dioxide. The additive for improving the plastic hardness can effectively improve the longitudinal hardness of the plastics, and meanwhile, can improve the transverse and longitudinal tensile stress of the plastics, so that the plastic has better performance; further, the raw materials of the additive are easily obtained; a preparation method is simple and easy to operate.

Description

technical field [0001] The invention belongs to the technical field of plastic processing, in particular to an additive for improving the hardness of plastic. Background technique [0002] Plastics are mixed by raw materials, extruded into granules, and then made into various plastic products. Increasing the hardness of plastics is the most important process in the plastics industry. Among the existing plastic hardness additives, some additives have no obvious effect. They have hardness but do not have corresponding elasticity, which makes plastics easy to be damaged during actual use, and the scope of use is limited. limit. Therefore, it is the demand of human progress and social development to seek a new formula and invent a kind of additive with excellent performance, non-toxic and harmless to increase the hardness of plastics. [0003] The information disclosed in this Background section is only for enhancing the understanding of the general background of the present i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L3/02C08L3/04C08L93/04C08L91/00C08L97/00C08K13/02C08K5/00C08K5/09C08K3/28C08K3/36C08L101/00
CPCC08L3/02C08L3/04C08L101/00C08L2205/035C08L93/04C08L91/00C08L97/005C08K13/02C08K5/00C08K5/09C08K3/28C08K3/36
Inventor 邓峰培
Owner 南宁市钜丰塑业有限公司
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