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Preparation method for polyurethane plastic particles with skid resistance

A technology of plastic particles and polyurethane is applied in the field of preparation of anti-slip polyurethane plastic particles, which can solve the problems of low ratio and high production cost, and achieve the effects of reducing production cost, improving economic benefits and broad application prospects.

Inactive Publication Date: 2013-11-20
CHANGSHU ZHONGTENG PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the polyurethane anti-slip particles used on the surface of the plastic runway, the ratio of A and B components is 1:1.35, the ratio is low, and the production cost is high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1) Preparation of component A: Add polyether polyols N210, N220, and N330 into a reaction kettle equipped with a thermometer, agitator, and condensing reflux device, stir and heat up to 100°C, and dehydrate for 2 hours under a vacuum of 0.06-0.08MPa , when the moisture mass fraction of the polyether polyol in the kettle is measured to be below 0.5%, cool down to 40-45°C, add toluene diisocyanate, slowly react to 85°C, keep warm for 2 hours, cool down, and put it into a closed container protected by nitrogen In, after 24h, the mass fraction of -NCO in the prepolymer was measured to be 9%;

[0021] 2) Preparation of component B: Mix polyether polyol, chain extender MOCA, amine ether N403, kaolin, fumed silica, and plasticizer DOP evenly, grind to 90 μm on a colloid mill, and put the materials into the reaction kettle , stirred and heated to 70°C, dehydrated for 2 hours under a vacuum of 0.06-0.08MPa, and the measured moisture content was below 0.2%, put it in a dry airtig...

Embodiment 2

[0024] 1) Preparation of component A: Add polyether polyols N210, N220, and N330 into a reaction kettle equipped with a thermometer, agitator, and condensing reflux device, stir and heat up to 110°C, and dehydrate for 2 hours under a vacuum of 0.06-0.08MPa , when the moisture mass fraction of the polyether polyol in the kettle is measured to be below 0.5%, cool down to 40-45°C, add toluene diisocyanate, slowly react to 85°C, keep warm for 2 hours, cool down, and put it into a closed container protected by nitrogen In, after 24h, the mass fraction of -NCO in the prepolymer was measured to be 10%;

[0025] 2) Preparation of component B: Mix polyether polyol, chain extender MOCA, amine ether N403, kaolin, fumed silica, and plasticizer DOP evenly, grind to 70 μm on a colloid mill, and put the materials into the reaction kettle , stir and heat up to 70°C, dehydrate for 2 hours under a vacuum of 0.06-0.08MPa, the measured moisture content is below 0.2%, put it in a dry airtight cont...

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PUM

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Abstract

The invention discloses a preparation method for polyurethane plastic particles with skid resistance. The particles comprise a component A and a component B. The component A comprises prepolymers obtained through reaction of toluene diisocyanate and polyether polyols. The component B comprises chain extenders, cross-linking agents, plasticizers, pigments and filling materials. The component A and the component B are prepared respectively firstly, and then the component A and the component B are mixed at a ratio of 1:5 to prepare polyurethane plastic particles. Through the above ways, the method can lower the production cost, raises economic benefits observably, and has broad application prospects. The prepared plastic particles have excellent physical and mechanical properties.

Description

technical field [0001] The invention relates to the technical field of plastic preparation, in particular to a preparation method of anti-skid polyurethane plastic particles. Background technique [0002] Polyurethane plastic has the characteristics of moderate elasticity, bright color, non-slip and wear-resistant, clean venues, easy maintenance, can effectively avoid athlete injuries, and significantly improve sports performance. It is widely used in sports competitions and training in various countries around the world. In our country, with the development of sports, the laying of plastic track has become one of the indispensable hardware for the development of large, medium and small cities. [0003] However, the polyurethane anti-slip particles used on the surface of the plastic runway have a ratio of A and B components of 1:1.35, which is a low ratio and high production cost. Contents of the invention [0004] The technical problem mainly solved by the present invent...

Claims

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Application Information

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IPC IPC(8): C08G18/76C08G18/66C08G18/48C08G18/10C08K3/34C08K3/36C08K5/12
Inventor 顾文中
Owner CHANGSHU ZHONGTENG PLASTIC