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Foaming material composition, foaming material and preparation method thereof

A foaming material and composition technology, applied in the field of foaming materials, can solve the problems of poor cell uniformity and poor stiffness, and achieve the effect of uniform cells, good stiffness, and low density

Pending Publication Date: 2022-02-18
CHINA PETROLEUM & CHEM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the defects of poor stiffness and poor cell uniformity in the NBR / PVC rubber-plastic blended foam material of the prior art

Method used

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  • Foaming material composition, foaming material and preparation method thereof
  • Foaming material composition, foaming material and preparation method thereof
  • Foaming material composition, foaming material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0086] The initial temperature of the internal mixer is set at 100±3°C, the speed is 77rpm, and the rubber composition is mixed; the blend obtained by mixing is then subjected to a secondary vulcanization process on a hydraulic plate vulcanizer to obtain vulcanized rubber B1, wherein , the conditions of one-stage vulcanization include: the vulcanization temperature is 160°C, the vulcanization pressure is 15MPa, and the vulcanization time is 3min; 11min.

[0087] The composition of the rubber composition is listed in Table 1.

[0088] The vulcanized rubber B1 was tested and evaluated, and the results are shown in Table 2.

[0089] The remaining examples are carried out with reference to the process of Example 1, the specific process parameter conditions are as shown in Table 1, and the results are as shown in Table 2.

[0090] Table 1

[0091]

[0092]

[0093] Table 1 (continued 1)

[0094]

[0095]

[0096] Table 1 (continued 2)

[0097]

[0098]

[009...

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PUM

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Abstract

The invention relates to the field of foaming materials, and discloses a foaming material composition, a foaming material and a preparation method of the foaming material. The foaming material composition contains nitrile rubber, PVC, a foaming agent, an auxiliary foaming agent, an activator, a reinforcing agent, a plasticizer, a stabilizer, an anti-aging agent, a vulcanization accelerator and a vulcanizing agent, wherein the auxiliary foaming agent is cysteine. The foaming material provided by the invention has the advantages of low density, good stiffness and uniform foam holes.

Description

technical field [0001] The present invention relates to the field of foaming materials, in particular to the application of cysteine ​​as a foaming aid in the preparation of foaming materials, a foaming material composition, a method for preparing foaming materials and the method The prepared foam material. Background technique [0002] Polymer foam material refers to a microporous material based on polymer (plastic, rubber, elastomer or natural polymer material) with numerous bubbles inside, and can also be regarded as a composite material filled with gas. [0003] Foamed materials have the advantages of low density, light weight, large specific surface area, high specific mechanical properties, and good damping properties. They are widely used in aviation, aerospace, atomic energy, medicine, environmental protection, metallurgy, mechanical construction, electrochemistry, and petrochemical industries. , and gradually developed into an excellent engineering material. [00...

Claims

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Application Information

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IPC IPC(8): C08L9/02C08L27/06C08K13/02C08K3/22C08K5/09C08K3/26C08K3/04C08K5/12C08K3/06C08K5/37C08J9/10
CPCC08J9/105C08J9/0095C08J9/0071C08J9/0066C08J9/0061C08J9/0023C08J9/0033C08K2201/011C08K2003/2296C08K2003/265C08J2309/02C08J2427/06C08J2203/04C08K13/02C08K5/09C08K3/04C08K5/12C08K3/06C08K5/37
Inventor 李静孙攀解希铭郑方远唐功庆
Owner CHINA PETROLEUM & CHEM CORP
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