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Polyurethane composition for making solid footballs as well as preparation method and application of polyurethane composition

A technology of polyurethane and composition, applied in the field of polyurethane composition for making solid soccer ball and its preparation, can solve the problems of poor elasticity and wear resistance, inconvenient use, hard hand feeling, etc., and achieve good elasticity and wear resistance, service life Long, good compatibility

Active Publication Date: 2018-01-12
SHANDONG INOV POLYURETHANE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Traditional soccer balls are usually made of an inflatable liner and a leather spherical surface. After inflating, they feel hard. Beginners and children are prone to injuries. In addition, tools such as air needles and air cylinders are required to use them, which is inconvenient to use.
The soft balls currently on the market can better solve the above problems, but they have the defects of poor elasticity and wear resistance.
[0003] Patent CN 2602796 Y discloses a solid ball with a special surface. Although it is pointed out that polyurethane material is used, the specific composition and application method of the material are not disclosed.

Method used

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  • Polyurethane composition for making solid footballs as well as preparation method and application of polyurethane composition
  • Polyurethane composition for making solid footballs as well as preparation method and application of polyurethane composition
  • Polyurethane composition for making solid footballs as well as preparation method and application of polyurethane composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The raw materials of component A are:

[0031]

[0032]

[0033] The raw materials of component B are:

[0034]

[0035] Its preparation method is as follows:

[0036] (1) Preparation of component A material: First, put polyether ester polyol into the reaction kettle and stir, then add crosslinking agent, catalyst, foam stabilizer and foaming agent in sequence, at room temperature, the speed is 80 rpm / minute, stirring for 1 hour, sampling for detection, and meeting the various detection indicators, that is, the qualified product of component A, which is discharged from the reaction kettle and loaded into barrels for storage.

[0037] (2) Preparation of component B material: Put the polyester polyol into the reaction kettle at room temperature, stir and heat up to 90°C, dehydrate under vacuum conditions (vacuum degree≤-0.098MPa) (dehydrate to moisture content≤0.05%) Gas for 2.5 hours, lower the temperature to 60°C, add phosphoric acid, pure MDI, carbodiimide...

Embodiment 2

[0040] The raw materials of component A are:

[0041]

[0042] The raw materials of component B are:

[0043]

[0044]

[0045] Its preparation method is as follows:

[0046] (1) Preparation of component A material: First, put polyether ester polyol into the reaction kettle and stir, then add crosslinking agent, catalyst, foam stabilizer and foaming agent in sequence, at room temperature, the speed is 80 rpm / minute, stirring for 1.5 hours, taking samples for testing, and meeting the various testing indicators, that is, the qualified product of component A is obtained, and the material is discharged from the reactor and stored in barrels.

[0047] (2) Preparation of component B material: Put the polyester polyol into the reaction kettle at room temperature, stir and heat up to 95°C, and dehydrate under vacuum conditions (vacuum degree≤-0.098MPa) (dehydration to moisture content≤0.05%) Gas for 2.5 hours, lower the temperature to 60°C, add phosphoric acid and isocyan...

Embodiment 3

[0050] The raw materials of component A are:

[0051]

[0052] The raw materials of component B are:

[0053]

[0054] Its preparation method is as follows:

[0055] (1) Preparation of component A material: first, put polyether ester polyol into the reaction kettle and stir, then add crosslinking agent, catalyst, foam stabilizer and foaming agent in sequence, under normal temperature conditions, the speed is 60 rpm / minute, stirring for 2.0 hours, sampling for detection, meeting the various detection indicators, that is, the qualified product of component A, which is discharged from the reactor and stored in barrels.

[0056] (2) Preparation of component B material: Put the polyester polyol into the reaction kettle at room temperature, stir and heat up to 100°C, and dehydrate under vacuum conditions (vacuum degree≤-0.098MPa) (dehydration to moisture content≤0.05%) Gas for 2.5 hours, lower the temperature to 60°C, add phosphoric acid and isocyanate at the same time, re...

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Abstract

The invention belongs to the technical field of polyurethane, and in particular relates to a polyurethane composition for making solid footballs as well as a preparation method and application of thepolyurethane composition. The polyurethane composition for making the solid footballs is prepared from a component A and a component B, wherein the component A is prepared from the following raw materials in parts by mass: 25-90 parts of polyether ester polyol, 0.5-6.0 parts of a crosslinking agent, 2.5-3.0 parts of a foaming agent, 0.2-2.0 parts of a foam stabilizer and 2.0-3.5 parts of a catalyst; the component B is prepared from the following raw materials in parts by mass: 20-90 parts of polyester polyol, 90-130 parts of isocyanate and 10ppm of a storage stabilizer. The polyurethane solidfootballs prepared from the polyurethane composition for making the solid footballs are good in elasticity, high in wear resistance and elasticity and long in service life; the preparation method andapplication of the polyurethane composition are scientific and reasonable as well as simple and easy to implement.

Description

technical field [0001] The invention belongs to the technical field of polyurethane, and in particular relates to a polyurethane composition for making solid footballs, a preparation method and application thereof. Background technique [0002] Traditional soccer balls are usually made of an inflatable liner and a leather spherical surface. After inflating, they feel hard. Beginners and children are prone to injuries. In addition, tools such as air needles and air cylinders must be used during use, which is inconvenient to use. The soft balls sold on the market can solve the above problems preferably, but have the defects of poor elasticity and wear resistance. [0003] Patent CN 2602796 Y discloses a solid ball with a special surface. Although it is pointed out that polyurethane material is used, the specific composition and application method of the material are not disclosed. Contents of the invention [0004] Aiming at the deficiencies of the prior art, the object of ...

Claims

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Application Information

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IPC IPC(8): C08G18/42C08G18/48C08G18/76C08G18/32C08G18/66
Inventor 徐军殷玉鹏陈伟郭勇生崔玉志
Owner SHANDONG INOV POLYURETHANE
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