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Polyurethane slow rebound composite material used in shot put area of ​​sports field and its preparation method and application

A sports field, slow rebound technology, applied in the field of polyurethane materials, can solve the problems affecting the fairness and impartiality of sports competitions, the landing marks are not obvious, the marks are not easy to recover, etc., and achieve a wide range of use temperature, moderate hardness and good strength. Effect

Active Publication Date: 2019-05-14
SHANDONG INOV POLYURETHANE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The landing area of ​​the shot put competition in traditional sports venues is paved with cinders, grass or various materials that can leave traces of the shot put. , impartiality

Method used

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  • Polyurethane slow rebound composite material used in shot put area of ​​sports field and its preparation method and application
  • Polyurethane slow rebound composite material used in shot put area of ​​sports field and its preparation method and application
  • Polyurethane slow rebound composite material used in shot put area of ​​sports field and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] A component:

[0036]

[0037] B component:

[0038] EP-330NG 40

[0039] MDI-50 60

[0040] Phosphoric acid 0.001.

[0041] (1) Preparation of component A: first put the polyether polyol, filler, pigment, plasticizer, and antioxidant in the formula into the kettle and stir for 35 minutes, and at the same time raise the temperature to 88°C. Dehydration under the condition of vacuum degree -0.1MPa, the temperature drops below 50°C, add chain-extending cross-linking agent and foam stabilizer in turn and stir, then add foaming agent and catalyst and stir for 25 minutes, then pack into barrels to obtain component A;

[0042] (2) Preparation of component B: Put the polyether polyol, plasticizer and storage stabilizer in the formula amount into the reaction kettle at room temperature, stir and raise the temperature to 98°C, and dehydrate under the condition of -0.1MPa to make the water content reach 0.05% the following. Then lower the temperature to below 45°C, add th...

Embodiment 2

[0045] A component:

[0046]

[0047] B component material:

[0048] EP-330NG 35

[0049] MDI-50 65

[0050] Phosphoric acid 0.001.

[0051] (1) Preparation of component A: first put the polyether polyol, filler, pigment, plasticizer, and antioxidant in the formula into the kettle and stir for 30 minutes, and at the same time raise the temperature to 85°C. Dehydrate under the condition of vacuum degree -0.1MPa, and the temperature drops below 50°C, then add chain-extending cross-linking agent, foam stabilizer and stir in turn, then add foaming agent and catalyst and stir for 20 minutes, then pack into barrels to obtain component A;

[0052] (2) Preparation of component B: Put the polyether polyol, plasticizer and storage stabilizer in the formula amount into the reaction kettle at room temperature, stir and heat up to 95°C, and dehydrate under the condition of -0.1MPa to make the water content reach 0.05% the following. Then lower the temperature to below 45°C, add the...

Embodiment 3

[0055] A component:

[0056]

[0057] B component:

[0058] EP-330NG 30

[0059] MDI-50 70

[0060] Phosphoric acid 0.001.

[0061] (1) Preparation of component A: first put the polyether polyol, filler, pigment, plasticizer, and antioxidant in the formula into the kettle and stir for 40 minutes, and at the same time raise the temperature to 90°C. Dehydration under the condition of vacuum degree -0.1MPa, the temperature drops below 50°C, add chain-extending cross-linking agent, foam stabilizer, emulsifier and stir in sequence, then add foaming agent and catalyst and stir for 30 minutes, then pack into barrels to obtain Group A Minute;

[0062] (2) Preparation of component B: Put the polyether polyol, plasticizer and storage stabilizer in the formula amount into the reaction kettle at room temperature, stir and heat up to 100°C, and dehydrate under the condition of -0.1MPa to make the water content reach 0.05% the following. Then lower the temperature to below 45°C, add ...

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Abstract

The invention belongs to the technical field of a polyurethane material and specifically relates to a polyurethane slow-resilience compound material for a shot area of a sport field, a manufacturing method and an application. The polyurethane slow-resilience compound material for the shot area of the sport field comprises a component A and a component B, wherein the component A includes polyether polyol, padding, pigment, plasticizer, chain extension cross-linking agent, foaming agent, foam stabilizer, antioxygen and catalyst, and the component B includes polyether polyol, isocyanate and storage stabilizer. The invention provides the polyurethane slow-resilience compound material which has the advantages of micro-foaming effect, high density, high strength, moderate hardness, wide using temperature range and suitability for the shot area of the sport field.

Description

technical field [0001] The invention belongs to the technical field of polyurethane materials, and in particular relates to a polyurethane slow-rebound composite material used in a shot put area of ​​a sports field, a preparation method and an application. Background technique [0002] The landing area of ​​the shot put competition in traditional sports venues is paved with cinders, grass or various materials that can leave traces of the shot put. , Fairness. The application of polyurethane materials in sports fields has a long history, especially in recent years, its development at home and abroad is changing with each passing day, such as economical and comfortable foaming field materials, environmentally friendly and healthy water-based field materials, in various types of tracks, courts, etc. In the process of continuous improvement and diversification of the application of sports venue materials, polyurethane materials used in the functional areas of sports venues have...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C08G18/76C08G18/48C08K13/02C08K3/26C08K3/22C08K3/34C08K5/12C08J9/08C08L75/08C08G101/00
CPCC08G18/4804C08G18/7671C08K3/22C08K3/26C08K3/34C08K3/346C08K5/12C08K13/02C08K2003/2272C08K2003/265C08L75/08C08L2203/14C08G2110/0066C08G2110/0083
Inventor 李健刘浩特孙清峰梁玲李立强
Owner SHANDONG INOV POLYURETHANE